1.Plant starch material 2.OEM avaliable 3.OK COMPOST&EN13432 4.Biodegradable&Compostable 5.Good quality ... ,HK,Janpanese 3.Certificate:EN 13432,ASTM D6400,OK COMPOST,4.Function:good strength,health material. Hot sell ... you have seen in the supermarket, it's made from cornstarch material, which saved the limited oil source, ... stop by http://www.psm.com.cn OK COMPOST bioplastic bags made from plant starch