... /gutta-percha, transparent babay sassy,safe for baby, food grade silicone, LFGB&FDA&SGS TEST report 1. 100% ... grade silicone, odorless and non-toxic ,health and safety for baby .2.heat resistant ,tasteless.You can boil it to disinfect ... .it's good for baby's teeth,whih can massage baby's gums, protecting the growth of baby's teeth 4.funny design5 ...