Stella Mamma Non-Toxic Fashion Silicone Necklace 2013 SpringSummer Search for 'stella mamma necklace' for more collections. **Made with high quality silicone(Similar to pacifiers and nipples). BPA, and Metal FRE Great choice for inexpensive healthy daily life for people that have sensitive skin and are allergic to metal products.Best product to avoid Cadmium Poison Risk from cheap metal necklace. Safe for baby to chew on under supervision but depends on thickness of necklace and how you use it, all silicone products can fall apart if adult and children chew heavily Easy to take care of (dishwasher safe), and keep nice condition longer than metal. Break away clasp make it safe.Free cord/ clasps replacement will be provided on request.