Soft silicone bristles Gentle on tiny teeth and sensitive gums 100% Medical/Food Grade Silicone BPA & PVC Free Directions: Wash thoroughly before and after use. Apply a small amount of Jack N’ Jill Natural Toothpaste to brush. Gently slide brush over teeth with a forward/backward motion. We know these look really weird, but they really work. Because they ‘hug’ the teeth, kids find them really easy to use, even on their own. Use only under adult supervision. Do Not Chew! Safe For Infants!