Chew Necklaces for Sensory Kids and Adults, Chewy Necklace Sensory Toys for Nail Biting, Silicone Necklace for Autism, ADHD, SPD, Fidget Oral Chew Toys for Boys and Girls. Versatile for Various Needs: Suitable for individuals with autism, ADHD, SPD, or anyone seeking oral sensory stimulation and fidget relief.