1. Sensory Chew Necklaces; Our Sensory Chew necklaces are made of the highest quality silicone to best suit your needs; they are durable and tough, yet gentle, therapeutic and cng; also great for stopping nail biting or thumb sucking.2. Colors to reduce stress and anxiety; studies have shown that bright, vibrant colors can lead to aggression, hyperactivity and sensory overload (especially yellow, orange or bright red); our pendants come in soothing soothing shades; great for Fidget, Autism, ADHD, Aggressive chewers, SPD kids.3. Easy-to-separate safety buckle; our chew toys are equipped with removable buckles to make biting safer and prevent suffocation and accidents; chewable jewelry for little boys and girls.4. Non-toxic food grade silicone; our products do not contain BPA, latex, phthalates, cadmium, lead or metals; also suitable for adults (men and women) as well as teenagers.