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Standard Mouth Water Bottle, Flex Cap - 21 oz, Black

Standard Mouth Water Bottle, Flex Cap - 21 oz, 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?

Product ID: 71953242

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Details

Brand
Hydro Flask
Capacity
21 Fluid
Colour
Black
Recommended Uses For Product
Water
Special Feature
portable

🔥Keeps hot 6h

❄️Keeps cold 24h

🚴‍♂️Fits bike & car holders

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 ahead with Hydro Flask.

SIP HOT STAY FOCUSED - Keeps beverages hot up to 6 hours—perfect for that mid-afternoon coffee boost without the rush.
SLEEK SLIP FREE GRIP - Proprietary powder coat finish ensures a secure hold, making it your stylish, no-slip companion on the go.
VERSATILE TRAVEL READY - Standard Mouth opening fits most ice cubes and Hydro Flask lids, plus it slides effortlessly into car cup holders and bike racks.
ICE COLD HYDRATION ALL DAY - Double-wall TempShield insulation locks in cold for 24 hours, so your drink stays refreshingly chilled from morning meetings to evening workouts.
ECO FRIENDLY BUILT TO LAST - Crafted from BPA-free, food-grade 18/8 stainless steel with a lifetime warranty—hydrate sustainably and confidently.

The Hydro Flask Standard Mouth Water Bottle (21 oz) features double-wall vacuum TempShield insulation that keeps drinks cold for 24 hours and hot for 6 hours. Made from BPA-free, food-grade 18/8 stainless steel with a durable powder coat, it fits most car cup holders and bike racks. Designed for active professionals, it offers a secure grip and compatibility with multiple lids, backed by a lifetime warranty.

Specifications

Brand	Hydro Flask
Capacity	21 Fluid Ounces
Colour	Black
Recommended Uses For Product	Water
Special Feature	portable
Age Range (Description)	Adult
Model Name	S21SX001
Item Weight	0.05 Pounds
Material	Stainless Steel
Number of Items	1
Pattern	Solid
Included Components	Lid
Product Care Instructions	Hand Wash Only
Base Diameter	7.1 Centimetres
Cap Type	Screw Cap
With Lid	Yes
Is Dishwasher Safe	Yes
UPC	810497025680
Manufacturer	Hydro Flask, Hydro Flask 525 NW York Dr Bend, OR Sportswear
Global Trade Identification Number	00810497025680
Department	Girls
Manufacturer	Hydro Flask
Item model number	SYNCHKG099288
Product Dimensions	2.85 x 2.85 x 11.1 cm; 23.68 g
ASIN	B01KXHIWL8

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

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