No leak and easy to open
By Marty V
I had one of each size. They fit in little hands and are easy to open and close. Sturdy like all Sistema products.
My only gripe is getting them cleaned. Kids forget them and once I see them again, the remnant of drink is crusted/dried on the bottom and the opening is not wide enough to fit my hand or a munchkin bottle bush (unless possibly the brush that has the sponge at the end but then it won't help scrubbing the dried beverage). That's why eventually, I got rid of them. I'm glad I found them to buy again.
I fill them 1/4 way and freeze and in the morning I fill it completely so that my kid can have cold water/iced tea.
Does it work?
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