Bright Rainbow Color :The cool design is perfect for both boys and girls, kids and adults. Attract attention,Use it as a safe alternative to chewing on one's hands, nails, pencils, shirts, etc. or use at for baby teething.High Quality Tear Resistant Material: The chewing necklaces are made of 100% food grade silicone Non-toxic, BPA free, no lead, latex or phthalates. Necklace comes with breakaway clasp for extra safety for your kids.Helps Reduce Anxiety & Stress:Chew necklaces help to greatly reduce anxiety and stress for those with sensory input disorders and provide a safe alternative to chewing on hands, pens, clothing, and hard objects.They are a safe chewing option for individuals with sensory needs, such as Autism, PDD, and ADHD.Durable and Long Lasting (Suitable for All Chewers) Sensory toys for autism are made of high quality tear resistant material, can gently chewed and used for a long time.Easy to Clean and Dishwasher Safe: Our premium necklaces are easily cleaned by hand with soap and water, or just as easily placed in the dishwasher to remove any unwanted dirt.