WHAT YOU WILL GET - The package contains 6 different colors of sensory chew toys(pink, white, blue, green, grey and light purple). The cute chew necklace is very popular among boys and girls. It will raise your child's curiosity and give them a different visual treat as they explore the fun of chewing!. EASY TO CLEAN - The silicone teething necklace can be washed in the dishwasher, you can put it under the tap and wash it underhand or with soapy water. For first time use, we recommend boiling water for about 10 minutes to sterilise and clean the necklace and then dry it before use, including the string and clasp. ERGONOMIC DESIGN - We equip each necklace with an adjustable cord and a split safety clasp. Although these necklaces should be used under adult supervision, a safety clasp has been added for extra protection. The string and clasp are not intended for chewing and children should be reminded to only chew on the silicon toys. EFFECTIVE IN REDUCING ANXIETY AND STRESS - For people with sensory needs ( PDD, etc.), sensory chew necklaces can greatly reduce anxiety and stress, help keep them calm, and effectively stop them from biting their shirts or nails, as well as soothing teething pain. 100% SAFE AND NON-TOXIC - Our sensory chew necklaces are made from high quality food grade silicone to provide a stronger, longer lasting chew. FDA compliant and free from any harmful additives such as BPA, lead, phthalates. A completely reliable silicone chew necklace for your loved ones.