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Hydro Flask Standard Mouth Water Bottle, Flex Cap - Multiple Sizes & Colors

4.7 out of 5 stars 9,277 ratings

Price: $28.99 - $79.99 & Free Return on some sizes and colors
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Black
  • Keeps cold drinks icy cold and hot drinks piping hot for hydration any time, anywhere
  • BPA-free water bottle is also phthalate-free and made of 18/8 food-grade stainless steel
  • Slip-free powder coating doesn't sweat and is dishwasher safe for easy cleaning and convenience
  • A sustainable metal water bottle with a clean design, for a better planet
  • Hydro Flask water bottles come with a limited lifetime warranty against manufacturing defects

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Product Description

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Hydro Flask 18 oz Standard Mouth w/ Flex Cap Hydro Flask 21 oz Standard Mouth w/ Flex Cap Hydro Flask 21 oz Standard Mouth w/ Sport Cap Hydro Flask 24 oz Standard Mouth w/ Flex Cap
Volume 532 mL 621 mL 621 mL 710 mL
Mouth Diameter 1.91" 1.91" 1.91" 1.91"
Diameter 2.87" 2.87" 2.87" 2.87"
Height 8.7" 9.4" 10.4" 10.8"
Weight 11.3 oz 12 oz 12 oz 13.2 oz
BPA & Toxin Free
Fits in Vehicle Cup Holders
Leakproof

Product details


Customer Questions & Answers

Customer reviews

4.7 out of 5 stars
4.7 out of 5
9,277 customer ratings
How does Amazon calculate star ratings?
Reviewed in the United States on March 11, 2018
Size: 18 oz (532 ml) Standard MouthColor: CobaltVerified Purchase
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486 people found this helpful
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Reviewed in the United States on March 5, 2020
Size: 24 oz (710 ml) Standard MouthColor: CobaltVerified Purchase
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215 people found this helpful
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Reviewed in the United States on May 12, 2017
Size: 24 oz (710 ml) Standard MouthColor: CobaltVerified Purchase
166 people found this helpful
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Reviewed in the United States on February 10, 2019
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78 people found this helpful
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Reviewed in the United States on October 16, 2017
Size: 24 oz (710 ml) Standard MouthColor: WhiteVerified Purchase
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188 people found this helpful
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Reviewed in the United States on November 27, 2018
Size: 24 oz (710 ml) Standard MouthColor: PacificVerified Purchase
60 people found this helpful
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Reviewed in the United States on October 1, 2017
Size: 24 oz (710 ml) Standard MouthColor: BlackVerified Purchase
75 people found this helpful
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Reviewed in the United States on October 25, 2018
Size: 21 oz (621 ml) Standard MouthColor: CobaltVerified Purchase
32 people found this helpful
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Top international reviews

Richard
5.0 out of 5 stars Ignore the negative reviews. Simply the best vacuum flask you can buy!
Reviewed in the United Kingdom on April 24, 2019
Size: 18 oz (532 ml) Standard MouthColor: GraphiteVerified Purchase
4 people found this helpful
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Coco
5.0 out of 5 stars Keeps the liquid cold, 12-14 hrs.
Reviewed in the United Kingdom on October 13, 2019
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One person found this helpful
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Dylan Crews
5.0 out of 5 stars Almost flawless
Reviewed in the United Kingdom on December 26, 2018
Size: 21 oz (621 ml) Standard MouthColor: BlackVerified Purchase
3 people found this helpful
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K. F. Moore
4.0 out of 5 stars Good, Not Perfect
Reviewed in the United Kingdom on September 8, 2019
Size: 18 oz (532 ml) Standard MouthColor: GraphiteVerified Purchase
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Adam G
5.0 out of 5 stars Great flask, keeps things cool even when open
Reviewed in the United Kingdom on May 12, 2019
Size: 18 oz (532 ml) Standard MouthColor: OliveVerified Purchase
One person found this helpful
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Anna
5.0 out of 5 stars Keeps liquids really cool or hot for a long time, and is easy to clean.
Reviewed in the United Kingdom on January 10, 2020
Size: 21 oz (621 ml) Standard MouthColor: BlackVerified Purchase
One person found this helpful
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prushjobs
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom on July 12, 2018
Size: 21 oz (621 ml) Standard MouthColor: PacificVerified Purchase
4 people found this helpful
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Matthew S.
5.0 out of 5 stars Keeps drinks cold
Reviewed in the United Kingdom on June 6, 2019
Size: 21 oz (621 ml) Standard MouthColor: FrostVerified Purchase
2 people found this helpful
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TDB
5.0 out of 5 stars The best flask out there
Reviewed in the United Kingdom on November 3, 2017
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3 people found this helpful
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Amazon Customer
5.0 out of 5 stars Keeps water cold all day
Reviewed in the United Kingdom on March 31, 2019
Size: 21 oz (621 ml) Standard MouthColor: PacificVerified Purchase
3 people found this helpful
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Darius Aukstinaitis
4.0 out of 5 stars Very good quality product
Reviewed in the United Kingdom on March 6, 2019
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3 people found this helpful
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Lukasz
5.0 out of 5 stars great flusk
Reviewed in the United Kingdom on November 22, 2019
Size: 18 oz (532 ml) Standard MouthColor: BlackVerified Purchase
One person found this helpful
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Amazon Customer
5.0 out of 5 stars Keeps things hot and cold!
Reviewed in the United Kingdom on January 18, 2020
Size: 18 oz (532 ml) Standard MouthColor: OliveVerified Purchase
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Catarina Werneck da Fonseca
2.0 out of 5 stars Colour was different
Reviewed in the United Kingdom on December 12, 2018
Size: 18 oz (532 ml) Standard MouthColor: OliveVerified Purchase
2 people found this helpful
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Scott roots
4.0 out of 5 stars Don't get the hype
Reviewed in the United Kingdom on February 14, 2020
Size: 18 oz (532 ml) Standard MouthColor: WhiteVerified Purchase
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