... by microbes, better than TPS chemical material,Biodegradable for bags(BOR-M-501F)Characters: Granules come ... mulch film, medical-use film,shopping bag,garbage bag,T-shirt bag,storage bag, table cloth,aprons,rain coat,etc ... equipment:Common film-blowing machine,cast-film extruder, bag making equipment,printer,heat-seal machine,etc. those ... chemical material, biodegradable starch granule for shopping bag