Sensitive Chew Pencil Necklace 3 pieces; our sensory chew necklace is made of the highest quality silicone to meet your needs; durable and tough, but soft, with healing and calming effects; also very suitable for preventing nail bites or thumb sucking.^Colors that reduce stress and anxiety; studies have shown that bright bright colors can cause aggression, excessive exercise and sensory overload (especially yellow, orange or bright red); our Lego pendants have calming and soothing hues; very suitable for fiddling and self-consciousness Autism, ADHD, ADHD, vigorous chewing, SPD children, and tooth bites. Ants, toddlers or babies.^Easy to break the buckle safely; our chewing pendant is equipped with a separate buckle to make the bite safer and prevent suffocation and accidents; it is very suitable for the oral motor of little boys and girls to chew jewelry.^100% non-toxic food grade silicone; our products do not contain bisphenol A, latex, phthalates, cadmium, lead or metals; also suitable for adults (men and women) and teenagers.