The Saturday Baby Snack Cups are made out of 100% food grade silicone material. Put our snack cups in the dishwasher at home or conveniently wipe them off on the go. This exclusive design means you won't find this snack cup anywhere else. The removable lid makes cleaning easy. The seal makes these convenient and effective for snacking on the go! Of course you can always feel safe knowing that all of our products are FDA approved, BPA, PVC, and BPS free.