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Hydro Flask 21 oz Double Wall Vacuum Insulated Stainless Steel Leak Proof Sports Water Bottle, Standard Mouth with BPA Free Flex Cap, Black

Hydro Flask 21 oz Double Wall Vacuum Insulated Stainless Steel Leak Proof Sports Water Bottle, Standard Mouth with BPA Free Flex Cap, Black

Q: Re Hydro Flask 24", what does "flex lid" mean?

no, you can't. if you watch the video it shows that you have to remove the lid to drink. i think the "flex" is in fact that the handle folds down, instead of being "fixed". you can get a lid that has a pop-up straw.

Q: Ok so does it come with little stickers?

Hi - Wendy here from Tall Ridge, the exclusive authorized seller of Hydro Flask products on Amazon - Thank you for your inquiry! Our Hydro Flask products do not come with stickers. I hope that answers your question.

Q: Curious... is the bottle supposed to be perfectly round all the way up and down? i just received mine from amazon and it is not. it feels oblong.

Yes, it should be perfectly cylindrical (round) all the way up. If it's not, there is an issue, and I would think that the company would take care of it. To tell if it's in fact round, remove the cap, make sure it's empty, place it on its side on a flat surface, and roll it.

Q: I just bought this hydroflask in the color olive. Is it normal for the lid to have to be forced to close all the way? It doesnt close easily

How did this work out for you? I'm experiencing same problem? I know it's not normal as I have been using this brand for a couple years now. Did u keep and use?

4.7/5

Product ID: 277980613

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Details

Brand
Hydroflask
Capacity
21 Fluid
Colour
Black
Recommended uses for product
Water
Special features
Vacuum Safe

🔒Leak-proof BPA-free flex cap

🔥Keeps drinks hot up to 12h

❄️Keeps drinks cold up to 24h

Frequently Bought Together

Hydro Flask Standard Flex Cap Black 21 Oz

Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic Small

Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle

Description

💧 Stay cool, stay hot, stay unstoppable with Hydro Flask.

LEAK PROOF FLEX CAP - No spills, no stress—secure your hydration on the move with BPA-free peace of mind.
COLOR LAST POWDER COAT - Sweat-free grip meets sleek black style—carry confidence everywhere you go.
PRO GRADE STAINLESS STEEL - Durable, flavor-pure metal that stands up to your active lifestyle and daily grind.
TEMP SHIELD VACUUM INSULATION - Lock in your perfect sip—cold for 24 hours, hot for 12, no sweat on the outside.
DISHWASHER SAFE ECO FRIENDLY - Easy clean, sustainable choice—because your bottle should work as hard as you do.

The Hydro Flask 21 oz water bottle features TempShield double-wall vacuum insulation to keep beverages cold for 24 hours or hot for 12 hours. Made from durable, pro-grade stainless steel with a leak-proof BPA-free flex cap, it offers a sweat-free, easy-grip Color Last powder coat finish. Dishwasher safe and backed by a limited lifetime warranty, this bottle is designed for active professionals who demand reliable hydration on the go.

Specifications

Brand	Hydroflask
Model Number	S21SX001
Color	Black
Product Dimensions	2.85 x 2.85 x 11.1 cm; 23.68 g
Capacity	21 Fluid Ounces
Material	Stainless Steel
Special Features	Vacuum Insulated, Dishwasher Safe, Double Wall
Item Weight	23.7 g

Have a Question? See What Others Asked

Re Hydro Flask 24", what does "flex lid" mean?

Ok so does it come with little stickers?

Curious... is the bottle supposed to be perfectly round all the way up and down? i just received mine from amazon and it is not. it feels oblong.

I just bought this hydroflask in the color olive. Is it normal for the lid to have to be forced to close all the way? It doesnt close easily

Reviews

4.7

All from verified purchases

S**L

Good quality

19.09.2024

I**R

After 3 years of 3 year usage bottle no longer keep's cold or hot wat

After 3 years of usage the bottle no longer keeping cold or hot water, i have raised request to replace the bottle, however US amazon said we don’t have replace option from UAE

17.09.2024

R**R

Same as the picture

Really good cold and hot water stays very good

28.09.2024

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