Introducing the Silicone Cup! Like magic, it can be sipped from any side and no spills.These silicone cups are 100% food grade silicone.All parts are dishwasher and microwave safe. YUESICHUANG reusable silicone cups making the cups strong enough to grip, without collapsing. Silicone is soft and virtually indestructible, meaning no damage to the cup, or your floors if it happens to slip out of their little hands. This is toddler proof at its finest. This spout-free cup allows your child to drink from any side of the lid! The soft, silicone design is gentle on teeth and gums.