1.food grade silicone 2.FDA,LFGB safe quality control 3.eco-freindly ,non-toxic 4.no harm for bady,saft toy 1 ... .Feature & Function:1.Clever conception, alphabet puzzle for educational use2.100% food grade silicone with LFGB and FDA certificate.3.Train baby ... 's preschool knowledge. 2.Quality:1. soft silicone material2.non-toxic,eco-friendly3.no harm for bady4. FDA, LFGB ,CE quality control3 ...