Chewbeads Christopher Teething Necklace Rainbow 100% silicone round beads Easily cleaned and 100% safe. No BPA, phthalates, cadmium, lead, or metals. Breakaway clasp for added safety. Cute necklace with bright colors. Great sensory tool to help babies focus and soft on baby’s gums and emerging teeth. This was a baby shower gift. New, never used.