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I was skeptical the double-wall insulation would survive a week in my son’s backpack, but his water was still icy after a full school day. The lid truly doesn’t leak a drop, and it fits right in the car’s cup holder.

Our 5-year-old can finally operate the straw lid on her own without leaking, and the double-wall insulation kept her hot cocoa warm through a whole morning of sledding. It fits perfectly in the minivan cup holder too.

My kid is a professional drink-spiller, so the leakproof straw lid is basically a lifesaver. The handle makes it easy for his little hands to carry to the car, and it still fits in the cup holder. Cold water stays cold the whole school day, which is more than I can say for other bottles we've tried.