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Zojirushi Stainless Steel Mug, 16-Ounce, Champagne Gold
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- Stainless steel vacuum insulation keeps beverages hot or cold for hours
- Durable and sanitary 18/8 stainless steel interior
- Slick Steel finish
- Wide mouth accommodates full size ice cubes. Heat Retention - 187°F @ 1 hr. / 154°F @ 6 hrs. Cold Retention - 48°F @ 6 hrs
- Compact design takes up minimal space while maximizing capacity
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From the manufacturer
- Capacity: 16 oz. / 0.48 liters
- Dimensions: D x H: 2 5/8 x 9 1/8
Zojirushi Stainless Steel Mug
A stainless mug is a vacuum insulated mug that is designed to drink directly from the mug. Although similar to travel mugs, it offers better heat retention because of its tight fitting lid, and can be stored in a bag or purse without spilling.
How does it keep beverages hot?
The air between two thin layers of stainless steel that make up the body of the mug is removed to create a vacuum. Because there is no air, the temperature on the other side of the wall does not transfer over, keeping
beverages hot or cold for hours.
The Story About Zojirushi
Zojirushi (pronounced ‘zoh-jee-ROO-shee’) began in Japan in 1918 as a manufacturer of hand-blown glass vacuum bottles. Today, Zojirushi’s product line extends to high-end small appliances such as rice cookers, bread makers and coffee makers, high quality vacuum insulated products like vacuum bottles, lunch jars and carafes, and commercial restaurant and coffee equipment. In the past few years, Zojirushi has enhanced the focus on design and how appliances fit into everyday lives with the introduction of a variety of new products. The name Zojirushi means 'Elephant brand' in Japanese.
Zojirushi stainless steel Vacuum insulation mug will keep your beverages hot or cold for hours. The compact design takes minimal space while maximizing Capacity. Each flip lid is tightly fitted for excellent heat retention, and features a safety lock to prevent accidental opening. Durable and sanitary these mugs have an 18/8 stainless steel interior with Slick Steel finish. Slick steel is created utilizing electro polishing technology, these products are non-coated on the inside and instead use an electrically charged polishing process to treat and finish the interior. The results is a corrosion resistant surface that repels foreign substances and stains, creating a smooth and Ultra clean stainless steel environment for your drinks.
Top reviews from the United States
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"Thank you for contacting Zojirushi America.
Vacuum insulated products, such as the SM-KHE48 mug, have a 5 year warranty on the vacuum insulated heat retention of the body only. The warranty does not cover any cosmetic damage, such as peeling paint or peeling non-stick coating.
Please keep in mind:
- Vacuum mugs and their parts are not dishwasher safe nor should a cleaning brush be used, as they are not designed to withstand high heat and friction.
-Exposing the products to high heat such as the dishwasher or the use certain sponges can potentially damage the mugs and their parts.
-Do not soak the mug in water for an extended period of time.
Please be advised that this does not affect the function of your vacuum insulated mug, you can continue to use the mug with functioning vacuum insulation properties. "
By the way, my wife's mug still looks like the day she got it, even though we have always cleaned them exactly the same. I wish they would have warned me about how fragile the new paint job is...
My use case: I take hours to drink a cup of coffee, little sips constantly and I often re-microwave my coffee to re-heat it in normal coffee mug. I wanted something that would keep my coffee hot and that was spill-proof.
After researching and reading reviews, last year I bought the 16oz Contigo AUTOSEAL which claimed to keep hot drinks hot up to 5-6 hours. At first I was impressed, but quickly settled into the fact that my coffee was luke warm within a couple hours. Definitely nowhere near 5-6 hours. I assumed that maybe it was because I was constantly taking little sips and that coffee was cooling from each sip.
So a year later, I decided to give these insulated mugs one more try. After additional research, I bought this Zojirushi, 12oz.
As soon as the received it, I did an experiment and the Zojirushi absolutely blew the Contigo away.
Started both with 113 degree F hot water.
Total hrs Zojirushi Contigo
1.5 hr 107 98
3.0 hr 104 91
4.5 hr 102 86
Loss -11 -27 degrees F after 4.5 hrs
In fact, I left the Zojirushi on the counter overnight and 24hrs later it was 89 degrees F. Still more than the Contigo after only 4.5hrs.
I’ve used it for the last 2 days at work with coffee and I can truly ‘nurse’ my one cup of coffee all day long and it is still nice an hot MANY hours later. Plus there is physically a lot more opportunity for heat loss drinking from the Zojirushi as you pop open the lid compared to the tiny slot opening when drinking out of the Contigo. Makes me wonder if my Contigo was defective from the start.
One quirk with the Zoji is that several times I noticed a drop of coffee (from condensation on the cap), on the tip of my nose after taking a sip. Either tip your head back a little further or drink just off center to avoid this. Doesn’t bother me though. I also like that the drinking well (where the coffee comes out) is not glaring white (which would stain more easily) with the Champagne Gold mug. It is a light tan. I wasn’t sure what color it would be, but noticed in some pictures that the inside was a blaring white.
Nevertheless, I hesitate to recommend this product because, over time, the rubber parts of the seal develop some kind of black stain that's impossible to remove from the rubber. (You can get it off the plastic.) It even changes the texture of the rubber, making it rough. I've owned the three in the picture about a year and half, and this is what they look like, despite daily cleaning. They've never held anything but ice water.
Now, I would overlook this problem if it were not for the exorbitant cost of replacements, which are available from the manufacturer's website. The lid cover gasket and stopper set, which together replace the 3 rubber parts in each mug, cost over $16! And I need 4 sets of them! Usually when a product costs this much to begin with, the manufacturer makes parts available at a reasonable cost, or gratis. Not this one.
Top reviews from other countries
Update 2 years later: My original review stands after 2 years of frequent use. Excellent thermos, maintains temperature as day 1, paint finish as good as day 1, no chipping. Some staining internally from tea colouring, but it can be scrubbed away. It has come with me travelling, hiking and daily in the office. I have ordered another one because my partner broke the lock button on this one and finding a replacement stopper in Europe is almost impossible. We won't be disposing this one of course, it is still perfectly functional, just wouldn't trust it in my bag with the broken stopper. It's a great investment and has brought a lot of value in my life, so happy to get a second one.
It has leaked on me a couple times, if the washer on the inside is even a bit loose, it can cause leaks. As a daily user of this, I just don't think it holds up for the long term.
it was awesome, at first, cleaning was a bit difficult but it was fine because it kept my tea nice and hot during the day! I would fill my flask with freshly made tea at 6.30 and would still be warm at 12 noon. i loved it! But now, the flask leaks for some unknown reason through the lid? I have no idea since i kept it in the greatest of condition? Reading through the reviews, unsure if others have been having the same problem... But otherwise the flask is amazing!