Sensory Chew Necklaces; Our sensory chew necklaces are made from the highest quality silicone to best suit your needs; they are durable yet gentle, therapeutic and calming; it is also useful for stopping nail biting or thumb sucking. Reduces Stress and Anxiety Color; Studies show that bright, vibrant colors can cause aggression, hyperactivity, and sensory overload (especially yellow, orange, or bright red); Our pendants come in soothing, soothing tones; Great for people with agitation, hyperactivity, and sensory overload Children with autism, ADHD, aggressive chewing, SPD. Easy-release clasp for convenience and safety; Our chew toys feature removable clasps to make the bite safer and prevent choking and accidents; Great chew jewelry for little boys and girls. 100% non-toxic food grade silicone; our products contain no Bpa, latex, phthalates, cadmium, lead or metals; also suitable for adults (men and women) and teens. No risk; Size: 7.5*1.5*1.5cm Packing list: Dental glue*4