Dr. Bloom"s Chewable Jewels are the original teething jewelry conceptualized and manufactured by Dr. Helen Bloom Smith, a dentist and a loving mom. A unique line of teething jewelry for fashionista moms and teething tots in mind paying special attention to using product materials that are made from FDA approved food grade silicone and are phthalate, BPA, PVC, latex and lead free. Dr. Bloom"s Chewable Circle Slide Necklace comes with latex free cording that is made with elasticity to allow for stretching. Necklace should not be worn by children under age 3. Adult supervision is always recommended. Dishwasher safe.