.All of our silicone jewelry are made of 100% food grade silicone(similar to pacifiers&nipples). 2.Mommy chic, baby safe. 3.With fda, ce, lfgb, bpa free, phthalate free 4..With a breakaway clasp for adding safety. 5.Silicone jewelry is a great tool to help baby focus while nursing. One/opp packing. Ctn size:46*28*35(cm|)