Hydro Flask

Hydro Flask Kids Water Bottle for School - Stainless Steel and Insulated with Straw Cap - 18 Oz

$34.95
size6

72+ bought in the past month

About this item

  • 18 OZ KIDS KOALA GRAY WATER BOTTLE: The Hydro Flask Kids 18 oz vacuum insulated stainless steel water bottle keeps drinks cold for up to 24 hours. With a colorful, easy-to-clean Straw Cap and cute Bottle Boot, it’s the perfect kids water bottle. Ages 3+.
  • 24 HOURS COLD: Double-wall vacuum insulation keeps drinks cold for hours. The insulated water bottle keeps beverages cold for 24 hours. Water and drinks stay cold all day from sun-up to sundown, and the durable stainless steel delivers pure taste.
  • LEAK-RESISTANT: The leak-resistant straw cap with straw on the insulated kids stainless steel water bottle keeps drinks ready to sip. The straw closes shut, and the loop makes the bottle easy to carry.
  • NEW SLIM DESIGN: A new, slimmer bottle design is easy to hold and fits most cupholders. It also includes a fun Bottle Boot for added durability.
  • DISHWASHER SAFE: Easy to use and easy to clean, just toss the lid and bottle into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite insulated Hydro Flask is ready to go.
$34.95

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Product details
BrandHydro Flask
Capacity18 Fluid Ounces
ColorKOALA
Model NameKids Wide Mouth Straw
Item Weight0.32 Kilograms

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Customer reviews

4.72,675 ratings
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Customers say

Customers find this water bottle to be the best choice for toddlers, appreciating its cute colors, variety of color options, and size that's perfect for school days. Customers like the design, noting it looks almost brand new, and find it easy to clean.

★★★★★

Perfect water bottle for toddlers!

Nerea PorrittJanuary 18, 2026✓ Verified purchase

We absolutely love this Hydro Flask Water Bottle. My 16-month-old baby loves drinking water out of it, which honestly says a lot! The size is perfect for little hands, it’s lightweight, and the straw lid makes it easy for toddlers to drink without spilling everywhere. It keeps the water cold for a long time, even when we’re out and about, and it feels very sturdy and well-made. I also love that it’s easy to clean and doesn’t leak in the diaper bag. Great quality and totally worth it Read more

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★★★★★

Superior Quality and Functionality: Hydro Flask Kids Wide Mouth Straw Cap And Boot

KhaylaNovember 7, 2023✓ Verified purchase

I recently purchased the Hydro Flask Kids Wide Mouth Straw Cap And Boot for my two boys, aged 4 and 6, and I must say, these cups have exceeded our expectations. In my opinion, they are the best spill-proof cups on the market. One of the standout features is the stainless steel construction. It’s a healthier alternative to plastic cups, eliminating the worry about potential additives. This feature alone gives me peace of mind knowing that my boys are drinking from a safe and non-toxic container. Cleaning these cups is a breeze, which is a huge plus for any parent. They hold up wonderfully, even with daily use, and still look as good as new. The variety of colors they come in is another bonus. My boys love their vibrant and fun cups! Despite being a bit pricey, these cups are a worthwhile investment. They are built to last, and considering their superior quality and functionality, I believe they offer good value for money. What’s more, they keep the kids’ water cold all day, which is perfect for those hot summer days or long school hours. In conclusion, if you’re looking for a durable, easy-to-clean, and safe drinking cup for your kids, I highly recommend the Hydro Flask Kids Wide Mouth Straw Cap And Boot. They might just be the last cups you’ll ever need to buy! PS.. I have tried other brands.. Yeti and Corkcicle to name a few and these are my fav! Read more

★★★★★

Great water bottle for little kids

J. TylerJuly 2, 2025✓ Verified purchase

I’m now on my second bottle, and I’m impressed with its simple, durable design. Unlike other bottles with lots of silicone components, this one only has silicone where it sits in the base. The strew is remarkably sturdy and withstands heavy chewing without breaking down. What I love most is how easy it is to clean - just three parts to wash, the straw opens up completely so you can scrub out any food particles that get stuck inside. The insulation is excellent too. It keeps drinks cold for hours, even when I’ve accidentally left it in a hot car. The bottle handles drops like a champ, and it’s perfectly sized for my 3-year old to carry around independently. Overall, it's a well-designed, practical bottle opener hat actually delivers what it promises. Read more

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★★★★★

Great 20 oz water bottle for kids

Jill IngenitoJuly 18, 2024✓ Verified purchase

The media could not be loaded. The Hydro Flask 20 oz Water Bottle is an outstanding hydration companion that lives up to its reputation for quality and performance. #### Design and Build Quality The Hydro Flask 20 oz Water Bottle features a sleek, modern design available in a variety of vibrant colors. The build quality is exceptional, made from durable stainless steel that feels sturdy and robust in hand. The powder-coated finish adds a premium feel and provides a good grip, even when the bottle is wet. #### Insulation Performance One of the standout features of the Hydro Flask is its excellent insulation. Utilizing double-wall vacuum insulation technology, this bottle keeps drinks cold for up to 24 hours and hot for up to 12 hours. I’ve tested it with both hot coffee and iced water, and it performed admirably, keeping my beverages at the desired temperature for extended periods. #### Usability The 20 oz size is perfect for daily use, whether at the gym, office, or on the go. It fits comfortably in most car cup holders and backpack side pockets. The wide mouth makes it easy to fill, pour, and clean, and it can accommodate ice cubes for an extra chill. The Flex Cap is a convenient addition, featuring a flexible strap that makes it easy to carry around. #### Durability After several months of use, the Hydro Flask shows minimal signs of wear. It has withstood drops and knocks without denting or scratching significantly, maintaining its aesthetic and functional integrity. #### Maintenance Cleaning the Hydro Flask is straightforward. It’s dishwasher safe, but I prefer hand-washing it to maintain the finish. The wide mouth allows for easy access to the interior, ensuring a thorough clean every time. #### Pros - Excellent insulation keeps drinks cold for 24 hours and hot for 12 hours. - Durable, high-quality stainless steel construction. - Sleek, attractive design with a variety of color options. - Wide mouth for easy filling, pouring, and cleaning. - Convenient Flex Cap for easy carrying. #### Cons - Slightly heavier compared to plastic bottles. - Premium price point, but worth the investment for quality. #### Final Thoughts The Hydro Flask 20 oz Water Bottle is a top-tier choice for anyone looking to keep their beverages at the perfect temperature while on the move. Its exceptional insulation, robust build quality, and stylish design make it a reliable and attractive addition to your daily routine. Despite being a bit pricier than other options, the durability and performance of this bottle justify the investment. Highly recommended for both everyday use and outdoor adventures! Read more

★★★★★

Great for any hungry caterpillar fan regardless of age!

Bear9321March 4, 2026✓ Verified purchase

Amazing buy!! Super cute, and easy to clean! However, it does not provide the best insulation, as hot water will go cold in about 3 hours. Does not leak as long as the straw is completely closed Read more

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