We used these with my son. We had one in our set that leaked, but the others didnt. It helped alot with gas. The little things in the bottom are a pain to clean though. It was worth it for him to have less spitting up and gas.

We used these with my son. We had one in our set that leaked, but the others didnt. It helped alot with gas. The little things in the bottom are a pain to clean though. It was worth it for him to have less spitting up and gas.