100% Food-grade SiliconeCOOL SENSORY CHEW Kids love our exclusive spider design from QuaLeap Co., Ltd. The chewing collar helps your child soothe, calm and focus. Especially for children with teething, autism or sensory needs Food grade safety tested 3rd party, BPA free, PVC free, lead free and phthalate free. Made with the highest quality 100% food grade silicone ADJUSTABLE & BREAKAWY Its adjustable string and breakaway clasps make it safe to use for most children. It is suggested to be used with children over 3 years old EASY DECTION - Just clean it with mild soap and water, so easy