Can you not store milk in these? Looking for a way to keep my son's soy milk cold without lugging an ice pack.

You can definitely put milk in this thermos, but to keep it ice cold you need a water bottle ice pack (the myColdCup ones on Amazon). These work really well because the ice pack is put *inside* the thermos (rather than a bulky ice pack outside), so it does not need to be nearly so big to have the same cold effect. One ice pack in this 12 oz thermos will keep the milk really ice-cold for more than 8 hrs. He will love it!

is this bottle leakproof?

Yes, is is leakproof. If the top is screwed on correctly (not misthreaded) and the straw is pulled through tight, it will NOT leak. The few times we’ve had it leak is due to user error. Though it will obviously leak (little dribbles) if the top is not closed and the bottle is turned upside down or laid on its side. For reference, we’re probably going to buy this for the third time in two years because it keeps getting lost. It’s leak proof and easy to clean (no mold).

Can this bottle be filled with hot water and keep the water warm for hours?

No. It says that ON THE BOTTLE. It’s not for hot liquids

Can i use it for milk

Yes, this could be used for milk, or any other cod beverage.

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FUNTAINER 12 Ounce Stainless Steel Vacuum Insulated Kids Straw Bottle, Barbie

Product ID: 441363662

Details

Brand
THERMOS
Capacity
340 g
Colour
Barbie
Recommended uses for product
Water
Special features
Cold 12 Hours

🧴Hygienic covered straw

❄️Keeps drinks cold 12 hrs

🛡️Durable 18/8 stainless steel

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Description

❄️ Keep it cool, keep it fun—hydration just got a glow-up!

CLEAN GERM FREE - Pop-up straw with hygienic cover keeps germs at bay and is removable for thorough cleaning.
EASY GRIP EASY GO - Lightweight design with a soft-touch carry handle and push-button lid for effortless use on the move.
STAY CHILL ALL DAY - Vacuum insulation locks in cold for a full 12 hours—hydration that keeps up with your kid’s pace.
BUILT TO BRAVE THE ROUGH - Premium 18/8 stainless steel withstands drops and dings, perfect for everyday adventures.
PARENT APPROVED CONVENIENCE - Dishwasher safe materials combine durability with hassle-free maintenance—because busy parents deserve it.

The THERMOS FUNTAINER 12oz Stainless Steel Kids Straw Bottle combines advanced vacuum insulation technology to keep drinks cold for up to 12 hours with rugged 18/8 stainless steel durability. Designed for kids, it features a lightweight, compact build with a soft-touch carry handle and a hygienically covered, removable straw for easy cleaning. Dishwasher safe and built to withstand daily use, this bottle ensures your child stays hydrated in style while parents enjoy effortless maintenance.

Specifications

ASIN	B09WGH9QRR
Additional Features	Cold 12 Hours, Double Wall, Hygienic Covered Straw
Age Range Description	Kid
Base Diameter	3.1 Inches
Best Sellers Rank	#8,727 in Kitchen ( See Top 100 in Kitchen ) #154 in Insulated Bottles
Brand Name	THERMOS
Cap Type	Straw Cap
Capacity	340 g
Color	Barbie
Customer Reviews	4.7 4.7 out of 5 stars (8,748)
Global Trade Identification Number	00041205749691
Included Components	kids water bottle
Is Oven Safe	No
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	7.9W x 17.5H centimeters
Item Type Name	FUNTAINER 12 Ounce Bottle
Item Weight	7.4 Ounces
Manufacturer	THERMOS
Material Type	Stainless Steel
Model Name	FUNTAINER 12 Ounce Bottle
Number of Items	1
Pattern	Cartoon
Product Care Instructions	Machine Wash
Recommended Uses For Product	Water
Theme	Movie
UPC	041205749691
Unit Count	1.0 Count
With Lid	Yes

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30293CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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