Our 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. Our exclusive design means you won't find this snack cup anywhere else. Our removable lid makes cleaning easy. Our 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. Thanks for stopping by The Saturday Baby, we hope you love our products!