Bioplastic comb made from natural plants 2.Biodegradable and compostable. 3.International Approvals 4.All colors approved Material:PSM in Non-GMO corn starchcertificates:EN13432,ASTM D6400,OK COMPOST,DIN CERTCO,BPIEN13432, ASTM D6400, Ok Compost and DIN CERTCO