Not leak-proof! I got it for my twin daughters because it claim it's leak proof. It's constantly leaking. I don't have the package it came in that's why i don't return it.

[This review was collected as part of a promotion.] This is a very good product if you have to meet any kind of daily water intake and don't have the time to fill and refill your small bottle, this have much more volume and very durable.

[This review was collected as part of a promotion.] The material is super good! It's a really good use and the pattern of these! My kids love using these and they have a super good performance, I definitely recommend for anyone with kids!

They leak everywhere

Not leak proof at all.