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Item Package Quantity: 5 | Size: 9 Ounce
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Product FeaturesItem Package Quantity: 5 | Size: 9 Ounce
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Product Description
Item Package Quantity: 5 | Size: 9 Ounce
Amazon.com Product Description
Philips AVENT BPA-Free 9-Ounce Natural Feeding Bottles (5 Pack) with Slow-Flow Nipples promote the health and comfort of your baby. Whether you are breastfeeding, bottle feeding, or combining the two, these AVENT feeding bottles support your choices. Developed using extensive research and clinical trials, these BPA-free bottles are proven to reduce fussiness* and colic. Designed for infants older than one month--but suitable for breastfed babies of all ages--the bottles each have a 9-ounce capacity and an extra-soft silicone Slow-Flow nipple with two holes, making them ideal for medium-sized feedings.
Whether your breastfeeding, bottle feeding, or combining the two, these AVENT feeding bottles are the perfect choice. View larger.
Slow-Flow Nipples are Ideal for Breastfed Babies of All Ages
AVENT Slow-Flow Nipples are a dual-hole extra-soft silicone nipples intended for infants older than one month, yet they can be used by breastfed babies of all ages. Working with your baby's natural feeding rhythm, the nipples let your baby control the flow, more like breastfeeding, which can help reduce overeating and spit-up. Also, the nipples' natural shape promotes proper latch-on and makes it easier for your baby to switch between breast and bottle.
Each bottle features a two-piece anti-colic system that consists of the AVENT nipple and adapter ring. As your baby feeds, the unique skirt on the nipple flexes to allow air into the bottle and prevents any vacuum build-up.
Listen for the gentle whistling sound and watch the air bubbles burst on the surface of the milk. That's your guarantee that the air is being released into the bottle--not into your baby's tummy.
Works with Full Line of AVENT Pumps, Bottles, and Cups
Like all AVENT bottles, the Natural Feeding Bottles work interchangeably with the entire line of AVENT pumps, bottles, and cups. While the 9-ounce bottles feature double-hole Slow-Flow nipples, you may use different AVENT nipple, bottle, and cup styles to meet your baby's changing needs.
If you prefer different AVENT nipples for these bottles, simply switch out the nipples for ones with a different flow. Each nipple style is imprinted with a number, making it easy to identify and customize your AVENT bottles.
Easy to Clean and Use
These hygienic bottles are easy to clean and assemble, as there are no small parts. The dome cap securely seals the AVENT nipple to ensure leak-proof feeding, mixing, and travel without the need for separate sealing discs.
Shaped for stability and comfort, the bottles' waisted shape makes it easy to hold, while its wide-neck design makes filling a cinch. Clear markings on the bottles ensure accurate measurement and make it simple to determine how much your baby has eaten.
All components of the Natural Feeding Bottles are BPA free.
About Philips AVENT
Since 1984 AVENT has been designing and manufacturing products that are inspired by nature and developed through extensive research and clinical trials. Now, as part of the Philips Group, Philips AVENT produces innovative solutions that make feeding and caring for your baby easier.
The Philips AVENT product range includes breastfeeding, bottle feeding, toddler feeding, baby monitors, and newborn gifts. The products are designed to fit your busy life and make it easier for you to make the best choices for your baby.
What's in the Box
Five 9-Ounce BPA free feeding bottles, five caps, and five Slow-Flow low nipples.
Choosing the Right Nipple for Your Baby | ||
 NIPPLES ARE NUMBERED ON THE SIDE | Age indications are approximate, as babies develop at different rates. You will know when your baby is ready to move onto a faster flow rate when he or she tries to get the milk more quickly or shows signs of tiredness or frustration during feeding. AVENT nipple packs are color coded to help you find the correct flow rate. | |
0m+ |  1 hole | NEWBORN FLOWEXTRA-SOFT SILICONE NIPPLE |
1m+ |  2 holes | SLOW FLOWEXTRA-SOFT SILICONE NIPPLE |
3m+ |  3 holes | MEDIUM FLOWSOFT SILICONE NIPPLE |
6m+ |  4 holes | FAST FLOWSOFT SILICONE NIPPLE |
3m+ |  1 slot | VARIABLE FLOWSOFT SILICONE NIPPLE--SLOT CUT |
Product Description
Sleep and nutrition are vital to your baby's health and happiness. Clinical studies show that the AVENT bottle significantly reduces fussing, especially at night, and colic in infants 2 weeks of age versus feeding with a conventional bottle. Unsettled and irritable behavior, known as fussing, is by far the most commonly known crying behavior. The two piece anti-colic system consists of the AVENT nipple and adapter ring. As your baby feeds from the bottle, the unique skirt on the AVENT nipple flexes to allow air into the bottle to prevent vacuum build up. Air bubbles move away from the nipple and into the bottle instead of your baby's tummy. The soft, naturally shaped nipple promotes proper latch-on and allows your baby to control the milk flow making it easier to combine breast and bottle feeding. Nipples are available in various flow rates to allow for your growing baby's needs. This AVENT bottle is made from PP (Polypropylene) – a BPA-Free material.
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Customer Reviews
Most Helpful Customer Reviews
158 of 160 people found the following review helpful
Size Name:9 Ounce|Item Package Quantity:4
Philips has done a fantastic job of confusing their line of Avent baby feeding bottles. It should be a simple matter to clearly name and describe a product such as this, but the reality is Philips has done it's best to complicate it.
Why the confusion: Over the past 25 years Philips has changes the Avent product line every year. Recently changes involved removing BPA from all parts that touch baby food (note that their products aren't 100% BPA free - parts that don't touch baby food may still contain BPA). This change introduced problems with some of the products causing the Avent venting system to leak (more on this later). In addition, Philips has used different product names for the same or similar products.
ISN'T A BOTTLE JUST A BOTTLE?
Recently Philips has made Avent bottles in several plastic materials:
1. Polycarbonate: this is a very hard and very clear plastic - it's properties closely match real glass and is commonly known by the brand name Lexan. For years almost all hard/clear food containers were made of polycarbonate plastic. Unfortunately, this type of plastic contains Bisphenol A (BPA) - which has been classified as a toxic substance in Europe and Canada (with the USA having serious concerns). Since 2008 manufacturers of almost all baby products have started to replace Polycarbonate with alternatives.
2. Polyethersulfone (PES): This rigid BPA free plastic hasn't traditionally been used in baby products because of the higher cost of the raw material. In addition, PES bottles typically have a brown or "honey" colored or brown tint - which may be unattractive to some parents.
2. Polypropylene (PP): Also a BPA free plastic, Polypropylene is slightly cloudy or milky in appearance. Containers made from Polypropylene are also slightly flexible.
Avent bottles are currently available in PES and PP models. Many people still have the old Polycarbonate bottles which perform great (but contain BPA).
LEAKS LEAKS LEAKS (AND THE MYSTERY OF THE "ADAPTER RING")
Many people have reported leaking problems with the newer Avent bottles. There are a couple of factors why this is happening:
The Avent system is designed to vent or let air into the bottle as baby feeds. This is achieved by having tiny slots cut into the base of the nipple. When baby sucks the nipple, it flexes and allows air into the venting slots (and then into the bottle). The benefit of this system is there are no special parts (see the Dr. Browns system) - so it's easy to clean and maintain. The disadvantage is this system relies on the interface/connection between the bottle and nipple - any problems where these two parts meet will cause leaks.
Many people have had issues maintaining a good connection between bottle and nipple with the PES (honey colored) bottles. This may be due to the bottle changing shape over time (particularly the impact of dishwasher washing).
The polypropylene bottles have a different issue. Polypropylene is simply too flexible to maintain good contact between the nipple and bottle. Philips has solved this problem redesigning the shape of the bottle and including a ridged "Adapter Ring" with recent polypropylene bottles (I think that first generation PP kits did not have this part). The adapter ring fits onto the top of the bottle and provides a stable and strong base needed by the Avent nipples. The new bottle shape with the adapter ring installed mimics the size and shape of the old style bottle. It's a hassle, but this extra part will prevent leaks if used properly. The ring also appears to be less susceptible to warping from high heat. You can purchase spare adapter rings separately.
Important: to prevent leaks you should assemble the bottle with nipple and adapter ring in place while it is wet! (read the manual).
CLASSIC VS ADVANCED VS NATURAL FEEDING VS EXTRA DURABLE
Philips seems confused with how to market Avent bottles. They have changed the name of Avent products over time and haven't done a good job differentiating between the polypropylene and PES bottles.
Some Avent bottles are branded CLASSIC and ADVANCED. The "Classic" bottles are the milky colored, softer plastic, polypropylene (PP) bottles which use the adapter ring - these are typically sold in a BLUE/WHITE BOX. The "Advanced" bottles are the honey colored, rigid plastic, polyethersulfone (PES) bottles - these are sold in a YELLOW/WHITE BOX.
Recently all Avent bottles have been branded NATURAL FEEDING - this additional name does not indicate which type of plastic the bottles are made of.
SO PES OR PP?
After trying both, I think I'll be using the Polypropylene (PP). At first I thought the adapter ring was a step backward - why do I want to deal with the extra part? But in practice it isn't much of a hassle at all. In addition, many people have reported leaks with the PES bottles. In addition, the PES bottles were less expensive (when I bought them).
Remember to assemble your bottles properly (wet) and do not over tighten them.
SHOPPING ON AMAZON
Make sure you know which type of bottle you are getting. Unfortunately, the Amazon product descriptions for Avent bottles don't always indicate which type of bottle you are getting. Philips makes most sizes of the Avent bottle in both types of plastic. Read the product description carefully before buying. Be cautious with reviews as some reviewers have written reviews for the other plastic type.
UPDATE 1
It is becoming harder to get anything but the "classic" (blue box) polypropylene (pp) bottles as it appears Phillips has recently withdrawn available inventories of all other bottles (i was talking to the manager of a local baby store who indicated they had to remove all Avent PES bottles and return them to Phillips). Still check to make sure you are getting the type of bottles you expect.
UPDATE 2 - June 2011
I still see old PES bottles for sale but they are almost completely gone. The "classic" polypropylene (pp) bottles are now available in blue and pink tints. Another recent change - recently manufactured bottles have a slightly wider mouth - you can tell if you have this new generation of bottles if the adapter ring does not fit snuggly (and will not stay in the bottle if held upside down).
Some people have ask what size nipples are included in the sets. 9 ounce bottle sets come with #2 nipples. 4 ounce bottle sets come with #1 nipples.
Why the confusion: Over the past 25 years Philips has changes the Avent product line every year. Recently changes involved removing BPA from all parts that touch baby food (note that their products aren't 100% BPA free - parts that don't touch baby food may still contain BPA). This change introduced problems with some of the products causing the Avent venting system to leak (more on this later). In addition, Philips has used different product names for the same or similar products.
ISN'T A BOTTLE JUST A BOTTLE?
Recently Philips has made Avent bottles in several plastic materials:
1. Polycarbonate: this is a very hard and very clear plastic - it's properties closely match real glass and is commonly known by the brand name Lexan. For years almost all hard/clear food containers were made of polycarbonate plastic. Unfortunately, this type of plastic contains Bisphenol A (BPA) - which has been classified as a toxic substance in Europe and Canada (with the USA having serious concerns). Since 2008 manufacturers of almost all baby products have started to replace Polycarbonate with alternatives.
2. Polyethersulfone (PES): This rigid BPA free plastic hasn't traditionally been used in baby products because of the higher cost of the raw material. In addition, PES bottles typically have a brown or "honey" colored or brown tint - which may be unattractive to some parents.
2. Polypropylene (PP): Also a BPA free plastic, Polypropylene is slightly cloudy or milky in appearance. Containers made from Polypropylene are also slightly flexible.
Avent bottles are currently available in PES and PP models. Many people still have the old Polycarbonate bottles which perform great (but contain BPA).
LEAKS LEAKS LEAKS (AND THE MYSTERY OF THE "ADAPTER RING")
Many people have reported leaking problems with the newer Avent bottles. There are a couple of factors why this is happening:
The Avent system is designed to vent or let air into the bottle as baby feeds. This is achieved by having tiny slots cut into the base of the nipple. When baby sucks the nipple, it flexes and allows air into the venting slots (and then into the bottle). The benefit of this system is there are no special parts (see the Dr. Browns system) - so it's easy to clean and maintain. The disadvantage is this system relies on the interface/connection between the bottle and nipple - any problems where these two parts meet will cause leaks.
Many people have had issues maintaining a good connection between bottle and nipple with the PES (honey colored) bottles. This may be due to the bottle changing shape over time (particularly the impact of dishwasher washing).
The polypropylene bottles have a different issue. Polypropylene is simply too flexible to maintain good contact between the nipple and bottle. Philips has solved this problem redesigning the shape of the bottle and including a ridged "Adapter Ring" with recent polypropylene bottles (I think that first generation PP kits did not have this part). The adapter ring fits onto the top of the bottle and provides a stable and strong base needed by the Avent nipples. The new bottle shape with the adapter ring installed mimics the size and shape of the old style bottle. It's a hassle, but this extra part will prevent leaks if used properly. The ring also appears to be less susceptible to warping from high heat. You can purchase spare adapter rings separately.
Important: to prevent leaks you should assemble the bottle with nipple and adapter ring in place while it is wet! (read the manual).
CLASSIC VS ADVANCED VS NATURAL FEEDING VS EXTRA DURABLE
Philips seems confused with how to market Avent bottles. They have changed the name of Avent products over time and haven't done a good job differentiating between the polypropylene and PES bottles.
Some Avent bottles are branded CLASSIC and ADVANCED. The "Classic" bottles are the milky colored, softer plastic, polypropylene (PP) bottles which use the adapter ring - these are typically sold in a BLUE/WHITE BOX. The "Advanced" bottles are the honey colored, rigid plastic, polyethersulfone (PES) bottles - these are sold in a YELLOW/WHITE BOX.
Recently all Avent bottles have been branded NATURAL FEEDING - this additional name does not indicate which type of plastic the bottles are made of.
SO PES OR PP?
After trying both, I think I'll be using the Polypropylene (PP). At first I thought the adapter ring was a step backward - why do I want to deal with the extra part? But in practice it isn't much of a hassle at all. In addition, many people have reported leaks with the PES bottles. In addition, the PES bottles were less expensive (when I bought them).
Remember to assemble your bottles properly (wet) and do not over tighten them.
SHOPPING ON AMAZON
Make sure you know which type of bottle you are getting. Unfortunately, the Amazon product descriptions for Avent bottles don't always indicate which type of bottle you are getting. Philips makes most sizes of the Avent bottle in both types of plastic. Read the product description carefully before buying. Be cautious with reviews as some reviewers have written reviews for the other plastic type.
UPDATE 1
It is becoming harder to get anything but the "classic" (blue box) polypropylene (pp) bottles as it appears Phillips has recently withdrawn available inventories of all other bottles (i was talking to the manager of a local baby store who indicated they had to remove all Avent PES bottles and return them to Phillips). Still check to make sure you are getting the type of bottles you expect.
UPDATE 2 - June 2011
I still see old PES bottles for sale but they are almost completely gone. The "classic" polypropylene (pp) bottles are now available in blue and pink tints. Another recent change - recently manufactured bottles have a slightly wider mouth - you can tell if you have this new generation of bottles if the adapter ring does not fit snuggly (and will not stay in the bottle if held upside down).
Some people have ask what size nipples are included in the sets. 9 ounce bottle sets come with #2 nipples. 4 ounce bottle sets come with #1 nipples.
34 of 35 people found the following review helpful
Size Name:4 Ounce|Item Package Quantity:2
For our first baby born in July '07, we used (and loved) the original Polycarbonate Avent bottles the first few months. Then the BPA paranoia overtook us, and we switched to Born Free bottles, which are made of honey-colored Polyether Sulphone (PES). The Born Free bottles worked well enough, but we hated the 2 extra complicated parts per bottle that we had to clean. For our second kid born in Sept '09, we wanted badly to switch back to Avent, but read poor reviews of the PES BPA-free Avent bottles (apparently they leaked for many users). Fortunately, right around that time, Avent introduced a second line of BPA-free bottles made of the cloudy Polypropylene (PPE), and initial reviews indicated that Avent fixed the leaks (by adding a simple removable collar between the bottle and nipple). After 1 month of using these new PPE Avent bottles, I can attest that they indeed don't leak, and I don't need to take special care or do any procedure to make them leak-free. They just don't leak. Yes, the newly added collar is an extra part to clean, but at least it's a simple part that's easy to clean. So for all you Avent fans out there, take heart! Avent fixed the leaks. Tip: the leaky PES honey-colored bottles come in yellow-colored boxes. The new leak-free PPE cloudy bottles come in blue-colored boxes. Buy the blue-colored boxes.
30 of 31 people found the following review helpful
Size Name:9 Ounce|Item Package Quantity:2
Philips has done a fantastic job of confusing their line of Avent baby feeding bottles. It should be a simple matter to clearly name and describe a product such as this, but the reality is Philips has done it's best to complicate it.
Why the confusion: Over the past 25 years Philips has changes the Avent product line every year. Recently changes involved removing BPA from all parts that touch baby food (note that their products aren't 100% BPA free - parts that don't touch baby food may still contain BPA). This change introduced problems with some of the products causing the Avent venting system to leak (more on this later). In addition, Philips has used different product names for the same or similar products.
ISN'T A BOTTLE JUST A BOTTLE?
Recently Philips has made Avent bottles in several plastic materials:
1. Polycarbonate: this is a very hard and very clear plastic - it's properties closely match real glass and is commonly known by the brand name Lexan. For years almost all hard/clear food containers were made of polycarbonate plastic. Unfortunately, this type of plastic contains Bisphenol A (BPA) - which has been classified as a toxic substance in Europe and Canada (with the USA having serious concerns). Since 2008 manufacturers of almost all baby products have started to replace Polycarbonate with alternatives.
2. Polyethersulfone (PES): This rigid BPA free plastic hasn't traditionally been used in baby products because of the higher cost of the raw material. In addition, PES bottles typically have a brown or "honey" colored or brown tint - which may be unattractive to some parents.
2. Polypropylene (PP): Also a BPA free plastic, Polypropylene is slightly cloudy or milky in appearance. Containers made from Polypropylene are also slightly flexible.
Avent bottles are currently available in PES and PP models. Many people still have the old Polycarbonate bottles which perform great (but contain BPA).
LEAKS LEAKS LEAKS (AND THE MYSTERY OF THE "ADAPTER RING")
Many people have reported leaking problems with the newer Avent bottles. There are a couple of factors why this is happening:
The Avent system is designed to vent or let air into the bottle as baby feeds. This is achieved by having tiny slots cut into the base of the nipple. When baby sucks the nipple, it flexes and allows air into the venting slots (and then into the bottle). The benefit of this system is there are no special parts (see the Dr. Browns system) - so it's easy to clean and maintain. The disadvantage is this system relies on the interface/connection between the bottle and nipple - any problems where these two parts meet will cause leaks.
Many people have had issues maintaining a good connection between bottle and nipple with the PES (honey colored) bottles. This may be due to the bottle changing shape over time (particularly the impact of dishwasher washing).
The polypropylene bottles have a different issue. Polypropylene is simply too flexible to maintain good contact between the nipple and bottle. Philips has solved this problem redesigning the shape of the bottle and including a ridged "Adapter Ring" with recent polypropylene bottles (I think that first generation PP kits did not have this part). The adapter ring fits onto the top of the bottle and provides a stable and strong base needed by the Avent nipples. The new bottle shape with the adapter ring installed mimics the size and shape of the old style bottle. It's a hassle, but this extra part will prevent leaks if used properly. The ring also appears to be less susceptible to warping from high heat. You can purchase spare adapter rings separately.
Important: to prevent leaks you should assemble the bottle with nipple and adapter ring in place while it is wet! (read the manual).
CLASSIC VS ADVANCED VS NATURAL FEEDING VS EXTRA DURABLE
Philips seems confused with how to market Avent bottles. They have changed the name of Avent products over time and haven't done a good job differentiating between the polypropylene and PES bottles.
Some Avent bottles are branded CLASSIC and ADVANCED. The "Classic" bottles are the milky colored, softer plastic, polypropylene (PP) bottles which use the adapter ring - these are typically sold in a BLUE/WHITE BOX. The "Advanced" bottles are the honey colored, rigid plastic, polyethersulfone (PES) bottles - these are sold in a YELLOW/WHITE BOX.
Recently all Avent bottles have been branded NATURAL FEEDING - this additional name does not indicate which type of plastic the bottles are made of.
SO PES OR PP?
After trying both, I think I'll be using the Polypropylene (PP). At first I thought the adapter ring was a step backward - why do I want to deal with the extra part? But in practice it isn't much of a hassle at all. In addition, many people have reported leaks with the PES bottles. In addition, the PES bottles were less expensive (when I bought them).
Remember to assemble your bottles properly (wet) and do not over tighten them.
SHOPPING ON AMAZON
Make sure you know which type of bottle you are getting. Unfortunately, the Amazon product descriptions for Avent bottles don't always indicate which type of bottle you are getting. Philips makes most sizes of the Avent bottle in both types of plastic. Read the product description carefully before buying. Be cautious with reviews as some reviewers have written reviews for the other plastic type.
UPDATE 1
It is becoming harder to get anything but the "classic" (blue box) polypropylene (pp) bottles as it appears Phillips has recently withdrawn available inventories of all other bottles (i was talking to the manager of a local baby store who indicated they had to remove all Avent PES bottles and return them to Phillips). Still check to make sure you are getting the type of bottles you expect.
UPDATE 2 - June 2011
I still see old PES bottles for sale but they are almost completely gone. The "classic" polypropylene (pp) bottles are now available in blue and pink tints. Another recent change - recently manufactured bottles have a slightly wider mouth - you can tell if you have this new generation of bottles if the adapter ring does not fit snuggly (and will not stay in the bottle if held upside down).
Some people have ask what size nipples are included in the sets. 9 ounce bottle sets come with #2 nipples. 4 ounce bottle sets come with #1 nipples.
Why the confusion: Over the past 25 years Philips has changes the Avent product line every year. Recently changes involved removing BPA from all parts that touch baby food (note that their products aren't 100% BPA free - parts that don't touch baby food may still contain BPA). This change introduced problems with some of the products causing the Avent venting system to leak (more on this later). In addition, Philips has used different product names for the same or similar products.
ISN'T A BOTTLE JUST A BOTTLE?
Recently Philips has made Avent bottles in several plastic materials:
1. Polycarbonate: this is a very hard and very clear plastic - it's properties closely match real glass and is commonly known by the brand name Lexan. For years almost all hard/clear food containers were made of polycarbonate plastic. Unfortunately, this type of plastic contains Bisphenol A (BPA) - which has been classified as a toxic substance in Europe and Canada (with the USA having serious concerns). Since 2008 manufacturers of almost all baby products have started to replace Polycarbonate with alternatives.
2. Polyethersulfone (PES): This rigid BPA free plastic hasn't traditionally been used in baby products because of the higher cost of the raw material. In addition, PES bottles typically have a brown or "honey" colored or brown tint - which may be unattractive to some parents.
2. Polypropylene (PP): Also a BPA free plastic, Polypropylene is slightly cloudy or milky in appearance. Containers made from Polypropylene are also slightly flexible.
Avent bottles are currently available in PES and PP models. Many people still have the old Polycarbonate bottles which perform great (but contain BPA).
LEAKS LEAKS LEAKS (AND THE MYSTERY OF THE "ADAPTER RING")
Many people have reported leaking problems with the newer Avent bottles. There are a couple of factors why this is happening:
The Avent system is designed to vent or let air into the bottle as baby feeds. This is achieved by having tiny slots cut into the base of the nipple. When baby sucks the nipple, it flexes and allows air into the venting slots (and then into the bottle). The benefit of this system is there are no special parts (see the Dr. Browns system) - so it's easy to clean and maintain. The disadvantage is this system relies on the interface/connection between the bottle and nipple - any problems where these two parts meet will cause leaks.
Many people have had issues maintaining a good connection between bottle and nipple with the PES (honey colored) bottles. This may be due to the bottle changing shape over time (particularly the impact of dishwasher washing).
The polypropylene bottles have a different issue. Polypropylene is simply too flexible to maintain good contact between the nipple and bottle. Philips has solved this problem redesigning the shape of the bottle and including a ridged "Adapter Ring" with recent polypropylene bottles (I think that first generation PP kits did not have this part). The adapter ring fits onto the top of the bottle and provides a stable and strong base needed by the Avent nipples. The new bottle shape with the adapter ring installed mimics the size and shape of the old style bottle. It's a hassle, but this extra part will prevent leaks if used properly. The ring also appears to be less susceptible to warping from high heat. You can purchase spare adapter rings separately.
Important: to prevent leaks you should assemble the bottle with nipple and adapter ring in place while it is wet! (read the manual).
CLASSIC VS ADVANCED VS NATURAL FEEDING VS EXTRA DURABLE
Philips seems confused with how to market Avent bottles. They have changed the name of Avent products over time and haven't done a good job differentiating between the polypropylene and PES bottles.
Some Avent bottles are branded CLASSIC and ADVANCED. The "Classic" bottles are the milky colored, softer plastic, polypropylene (PP) bottles which use the adapter ring - these are typically sold in a BLUE/WHITE BOX. The "Advanced" bottles are the honey colored, rigid plastic, polyethersulfone (PES) bottles - these are sold in a YELLOW/WHITE BOX.
Recently all Avent bottles have been branded NATURAL FEEDING - this additional name does not indicate which type of plastic the bottles are made of.
SO PES OR PP?
After trying both, I think I'll be using the Polypropylene (PP). At first I thought the adapter ring was a step backward - why do I want to deal with the extra part? But in practice it isn't much of a hassle at all. In addition, many people have reported leaks with the PES bottles. In addition, the PES bottles were less expensive (when I bought them).
Remember to assemble your bottles properly (wet) and do not over tighten them.
SHOPPING ON AMAZON
Make sure you know which type of bottle you are getting. Unfortunately, the Amazon product descriptions for Avent bottles don't always indicate which type of bottle you are getting. Philips makes most sizes of the Avent bottle in both types of plastic. Read the product description carefully before buying. Be cautious with reviews as some reviewers have written reviews for the other plastic type.
UPDATE 1
It is becoming harder to get anything but the "classic" (blue box) polypropylene (pp) bottles as it appears Phillips has recently withdrawn available inventories of all other bottles (i was talking to the manager of a local baby store who indicated they had to remove all Avent PES bottles and return them to Phillips). Still check to make sure you are getting the type of bottles you expect.
UPDATE 2 - June 2011
I still see old PES bottles for sale but they are almost completely gone. The "classic" polypropylene (pp) bottles are now available in blue and pink tints. Another recent change - recently manufactured bottles have a slightly wider mouth - you can tell if you have this new generation of bottles if the adapter ring does not fit snuggly (and will not stay in the bottle if held upside down).
Some people have ask what size nipples are included in the sets. 9 ounce bottle sets come with #2 nipples. 4 ounce bottle sets come with #1 nipples.
Most Recent Customer Reviews
Perfect Bottles
I tried a lot of bottles with my refluxy baby and found I needed a vented bottle. I used this bottle and the Dr. Browns bottle. Both got great results (happy baby, leak free, etc. Read more
Published 8 days ago by Robin
Love these bottles!
I'm very happy with Avent's update to the bottle with the sealing ring under the nipple. I had used Avent bottles in the past with my other children and they frequently leaked -... Read more
Published 9 days ago by Molly
Avent 4 oz PP cloudy white bottles
These bottles are made from the PP plastic and has a cloudy white tint to it and is bpa free. These also uses the adaptor ring which helps prevent leaks. Read more
Published 17 days ago by Kathski
Gabriel
lo recomiendo 100% articulo muy funcional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Published 25 days ago by Gabriel
Love these bottles!
For my first baby, we used cheap bottles I bought at Walgreens. We had tons of them, and they constantly got messed up in the dishwasher, leaked, were annoying to clean, etc. Read more
Published 26 days ago by Emily M. Lee
Great and Easy to use
These bottles are simple to use. They have few parts compared to most other bottles. They do not leak if you use them correctly. Read more
Published 1 month ago by abc123
Great Bottles
I have not had a problem with these bottles (at least when I remember to assemble them correctly :) I breastfeed and use these to for my breast for daycare and for other family... Read more
Published 1 month ago by Mommymel
nice
These bottles are amazing.I was hooked right from the start.We were not disappointed with these products! We love them.They are easy to clean and assemble too!
Published 1 month ago by M. Kumar
Just OK
These bottles are not convenient at all. They leak. There is an additional ring you must place on top of the bottle before you screw on the nipple w/ring or it will leak... Read more
Published 1 month ago by USAFWifey86
Extremely Easy to Breastfeed With
These bottles (and stage 1 nipples) have been a HUGE help with my daughter and I. We are able to switch back and forth between these bottles with the stage 1 nipples (as these... Read more
Published 1 month ago by KelseyH17
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