2011performed feed food bag: 1)matrial:opp/vmpet/pe 2)volume:25kgs 3)zipper top is ok making 4)ISO,SGS,OHSAS,QC 2011performed feed food bag:1)matrial:opp/vmpet/pe2)volume:can contain feed of 10kgs,15kgs and 25kgs3)zipper top is ok making4)mass packaging 5)type:back sealed pouch with side gusset. 6)certificate:ISO9001,ISO14001,QC etc.