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Details & care
This 21-ounce insulated water bottle with a leakproof Flex Cap is the perfect companion for the trail, the beach or everyday use. The durable design features a sweat-free Color Last™ powder coating that's comfortable to the touch.
- Holds 21 oz.
- Stainless steel/polypropylene
- Dishwasher safe
- Imported
- Item #10377385
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Hydro Flask
Headquartered in Bend, Oregon, Hydro Flask launched the first all-insulated bottle in 2009 and has spent the last 10 years delivering on its commitment to save the world from lukewarm.
Most helpful positive review
Aug 18, 2025
Flex cap water bottle
This is the second bottle I’ve bought. Just the right size, keeps the cold cold and love the colors it comes in. It’s also very tough in structure. Will last a long time. The price is reasonable also.
Judy O 2
Verified purchase
1found this helpful
Most helpful critical review
Apr 23, 2025
Avoid - abort- do not buy
[This review was collected as part of a promotion.] Awful. Got the “leak proof” item and it leaks all the time. Followed the instructions double checked everything. Hydro does not do returns or refunds, once you find the product is garbage they say too bad, it is used.
Don C.
Reposted from hydroflask.com
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5 stars
83%
4 stars
9%
3 stars
3%
2 stars
2%
1 star
3%
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Judy O 2
Verified purchase
Aug 18, 2025
Flex cap water bottle
This is the second bottle I’ve bought. Just the right size, keeps the cold cold and love the colors it comes in. It’s also very tough in structure. Will last a long time. The price is reasonable also.
1found this helpful
Ashley D.
Reposted from hydroflask.com
June 2, 2026
Top
[This review was collected as part of a promotion.] Don't love the plastic top. It doesn't screw on and seal well
Denise S.
Reposted from hydroflask.com
May 29, 2026
Love my Hydro Flask
[This review was collected as part of a promotion.] I’ve used and owned hydro flasks for 6 years now and I love them! They are the best!
Diane B.
Reposted from hydroflask.com
May 19, 2026
Love them!!
[This review was collected as part of a promotion.] Bought them for a vacation and to put in backpacks! Love them-easy and quality product
Amy F.
Reposted from hydroflask.com
May 13, 2026
Warranty replacement
[This review was collected as part of a promotion.] I was very impressed with the way Hydro Flask stood behind their product. And might I say very quickly too.
Angela D.
Reposted from hydroflask.com
Apr 5, 2026
More bounce to the ounce
[This review was collected as part of a promotion.] Very nice! I should’ve bought one bigger with more ounces, which is on my list to buy!