Amazon.com: THERMOS FUNTAINER Water Bottle with Straw, 12oz, Black | Kids Stainless Steel Insulated Water Bottle, Keeps Drinks Cold Longer for School & Play, BPA-Free : Sports & Outdoors

I bought this Thermos specifically for my 1.5-year-old son. We take water everywhere, so I needed a bottle that could survive daily travel, keep water cold in the car, and—most importantly—be easy enough for a toddler to operate independently.
The Button: The push-button lid is the highlight. My son can open it himself without frustration, which is a huge win for his independence.
Insulation: It keeps water cold for several hours, even when left in a warm car during errands.
Cleaning: As a parent, I appreciate that the straw comes apart completely. It’s easy to hand wash and I don’t worry about mold hiding in the crevices.
Portability: The handle is great for his small hands to carry, though there is one small design flaw (see below).
Pros:
Truly Leakproof: We haven’t had any spills in the diaper bag.
Durable: The dinosaur design hasn’t chipped or faded after multiple washes.
Lightweight: Even when full, it’s not too heavy for a toddler.
Cons:
The Handle Pinch: Be careful with the folding handle. It has a hinge point that has occasionally pinched my son’s fingers when he’s carrying it. We’ve had to teach him to hold it a specific way.
Verdict:
This is so effective that I already bought a second one for my older son. If you have a toddler who wants to “do it myself,” this is the best bottle we’ve tried—just watch those little fingers around the handle!