Chewing helps children concentrate and stay calm in stressful situations — a healthier alternative to chewing on clothing, hat strings, pencils, or fingers. Recommended by Occupational Therapists, this necklace features a BPA-free, food-grade silicone pendant on a necklace with a custom safety clasp that separates easily when gently tugged.Details 100% food-grade silicone, BPA-free, non-toxic, no phthalates, cadmium, or lead Pendant size: 4cm W x 3.5cm H x 1.3cm D; necklace length approx. 25cm Safety clasp releases under gentle tension Replacement cords sold separately; adult supervision advised, especially for aggressive chewers