Stella Mamma Non-toxic Fashion Silicone Necklace 2014 Four Season. Search for 'stella mamma necklace' for more collections. ****Made with high quality silicone(Similar to pacifiers and nipples), BPA free, Metal free Designed by Stella mamma.Varied size and shape make it looks unique, and can help to develop sensory for your little one.Good size for both adult and children, but depends on thickness of necklace and how you use it, all silicone products can fall apart if adult and children chew heavily.(You can make a necklace shorter by moving the clasp closer to the start of the beads, re-knot the cord and then cut the excess off) 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 Free cord/ clasps replacement will be provided on request. Easy to take care of (dishwasher safe), and keep nice condition longer than metal. Break away clasp make it safe.