biodegradable sheet 1,eco-friendly sheet 2,matetial PSM,biodegradable material 3,Meet Euro& USA standard Made from biodegradable Material:PSM in Non-GMO corn starch, 100% biodegradable and compostable.Material certificates:EN13432,ASTM D6400,OK COMPOST,DIN CERTCO,BPIEN13432, ASTM D6400, Ok Compost and DIN CERTCO bioplastic sheet