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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THERMOS 12 Ounce Funtainer Kids Straw Bottle, Frozen 2 Green

THERMOS 12 Ounce Funtainer Kids Straw Bottle, Frozen 2 Green

Product ID: 354842538

Details

Brand
THERMOS
Capacity
340 g
Colour
Frozen 2 Green
Recommended uses for product
Water
Special features
Cold 12 Hours

💪Durable stainless steel build

🔒Vacuum insulation tech

❄️Keeps drinks cold 12 hrs

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Description

❄️ Sip Smart, Play Hard – The Ultimate Cold Companion!

STAY CHILL ALL DAY - Advanced vacuum insulation locks in cold for up to 12 hours—no more lukewarm sips.
CARRY WITH CONFIDENCE - Integrated soft-touch handle folds away when not in use—easy to grab, easy to go.
HYGIENIC HANDS FREE - Push-button lid with pop-up straw keeps germs out and makes sipping effortless.
PARENT APPROVED SAFETY - BPA-free materials and removable straw for easy cleaning keep hydration healthy and hassle-free.
BUILT TO BRAVE THE ROUGH - Double-wall stainless steel exterior resists drops and dings, perfect for active kids on the go.

The THERMOS 12 Ounce Funtainer Kids Straw Bottle features vacuum insulation technology that keeps drinks cold for up to 12 hours. Crafted from durable double-wall stainless steel, it withstands everyday kid-powered adventures. The hygienic push-button lid with a pop-up straw and integrated carry handle offers convenience and cleanliness on the move. BPA-free and easy to clean, this 12oz bottle is the perfect hydration partner for active kids.

Specifications

ASIN	B08Z7467XC
Additional Features	Cold 12 Hours, Double Wall, Removable Straw
Age Range Description	Kid
Base Diameter	2.7 Inches
Best Sellers Rank	#388 in Kitchen ( See Top 100 in Kitchen ) #10 in Insulated Bottles
Brand Name	THERMOS
Cap Type	Push Button Cap
Capacity	340 g
Color	Frozen 2 Green
Customer Reviews	4.7 4.7 out of 5 stars (51,628)
Global Trade Identification Number	00041205750123
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	6.9W x 19.6H centimeters
Item Type Name	Funtainer Kids Straw Bottle
Item Weight	0.5 Pounds
Manufacturer	Thermos
Material Type	Stainless Steel
Model Name	FUNTAINER 12 Ounce Bottle
Number of Items	1
Pattern	Bottle
Product Care Instructions	Dishwasher Safe
Recommended Uses For Product	Water
Theme	Movie
UPC	041205750123
Unit Count	1.0 Count
With Lid	Yes

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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