Olie Teething necklaces are safe teething products that allows moms to easily entertain and sooth their babies with emerging teeth. Olie Teething necklaces are intended for adults to wear. Please do not place the necklaces on your child. Our products were designed for adults to wear to soothe and entertain babies with emerging teeth. Olie teething necklaces are completely BPA, PVC, phthalates, lead, cadmium, or heavy metals free. 100% food grade silicone.