COOL SENSORY CHEW Kids love our fashionable mace design The chew necklace helps your child soothe, calm, and focus. Especially for children with teething, autism, or sensory needs^ FOOD-GRADE SAFETY 3rd party tested, BPA Free, PVC Free, Lead Free and Phthalates free. Made with highest quality 100% food grade silicone^ ADJUSTABLE & BREAKAWY Its adjustable string & breakaway clasps make it safe to use for most children. Its suggested to use it with children over 3 year old^ EASY CLEANING - Sensory chewing necklace toys for autistic children, a baby teether necklace, a toddler teething toys and other chew necklace sensory items can get dirty like anything else, so easy cleaning is a must Just clean it with mild soap and water, so easy ^ GUARANTEE - satisfactions guaranteed.Please contact us if you have any questions.