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Hydro Flask
18oz Wide Mouth Flex Straw & Boot - Kids'

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$34.95
Color:Anemone

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Hydro Flask 18oz Wide Mouth Flex Straw & Boot

Our kid’s 18 oz stainless steel water bottle is the perfect insulated bottle for school, family hikes and everyday hydration. The straw cap makes sipping easy, and the double-wall stainless steel construction keeps cold drinks cold for up to 24 hours.


Details

  • Item #HYFZ04W
Material
stainless steel
Volume
18oz
Lid
screw-on carrying handle
Valve
flip-up straw
Dimensions
[H x D] 9.1 x 2.9in
Claimed Weight
11.2oz
Activity
casual
Manufacturer Warranty
limited lifetime

What do you think about this product?

Overall Rating

4.5 based on 582 ratings

Review Summary

1 Stars - 34 reviews
2 Stars - 25 reviews
3 Stars - 35 reviews
4 Stars - 40 reviews
5 Stars - 448 reviews

Customer Images

Here's what customers have to say

The water bottle is praised for its durability, ability to keep drinks cold, and wide mouth design that is easy for kids to use. Customization options like engraving are also highlighted as a positive feature. However, some customers have experienced issues with leaks, poor manufacturing, and the straw not being convenient for young children. The bottle's fit in car cup holders is also noted as a potential drawback. Overall, the majority of reviews are very positive, with customers describing the water bottle as a reliable and well-liked choice for active, hydrated kids.

AI-generated from the text of customer reviews.

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5 out of 5 stars

October 8, 2025

Great for kids

[This review was collected as part of a promotion.] Excellent size for my toddler to carry on her backpack

Claudia T.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

October 8, 2025

adding to the collection

[This review was collected as part of a promotion.] This isn't my first one, probably not last either. Everyone in our family has a wide mouth bottle (kids get 12oz, which is perfect). And the different colors let us all have our own and we never confuse bottles. I personally hand wash all our Hydro Flasks and have never had any issues with the color coming off or fading.

Xhesika B.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

October 8, 2025

Perfect

[This review was collected as part of a promotion.] My son is 4 and his name is required on everything. I engraved his name on his bottle and it's so neat, legible, and permanent.

Shari R.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

October 7, 2025

Adan’s “big kid” water bottle

[This review was collected as part of a promotion.] Perfect size and color for my great nephew. Bigger than a mini and not as big as a 24 oz or 32 oz. Fits in his bottle holder on his bike and in his backpack.

Ramona C.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

October 3, 2025

12 oz Kids Wide Mouth Bottle (pink with yellow lid)

[This review was collected as part of a promotion.] Granddaughter chose the color. She wanted a Hydro Flask like her Mimi’s, only her size. She loves it and will no longer use any of her other water bottles. These are the best for keeping liquids cold for an extended period of time.

Connie B.
hydroflask.com

Originally reviewed on hydroflask.com

1 out of 5 stars

September 3, 2025

Disappointed

[This review was collected as part of a promotion.] Cute bottle but does not keep the water cool temperature.

Tracy A.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

September 1, 2025

Perfect little bottle for my little!

[This review was collected as part of a promotion.] My 2 year old loves having her own little water bottle at daycare with her name easily found on it. The boot helps to keep it from denting as she drops it often. I love the color combo! Bright and subtle.

Nikki P.
hydroflask.com

Originally reviewed on hydroflask.com

5 out of 5 stars

September 1, 2025

So cute

[This review was collected as part of a promotion.] Purchased a water bottle for 5 year old granddaughter and personalized it. So cute and she loves it.

Judy W.
hydroflask.com

Originally reviewed on hydroflask.com

2 out of 5 stars

September 1, 2025

Straw doesn’t stay in place

[This review was collected as part of a promotion.] The straw on the lid does not stay in place. It moves while you are drinking, and then liquid does not come out.

Danielle W.
hydroflask.com

Originally reviewed on hydroflask.com

1 out of 5 stars

August 31, 2025

Dented with first drop

[This review was collected as part of a promotion.] I’ve tried lots of different brands of insulated cups and I’m sad to say this one was dented after just 1 day when my baby knocked the cup over. I’m pretty tough on my tumblers of other brands and none of them have dented so easy.

user image
Alexandria B.
hydroflask.com

Originally reviewed on hydroflask.com

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