1, pet food bag 2,pet food bag:any style,stand up etc 3,food bag structure:OPP/PET/PE 4,pet ... bag typeStand up pouch(with zipper), stand up spout pouch, 3sides seal bag(with zipper), back seal bag,quad seal bag with side gusset, auto-packaging ... film in roll, sealing film, shrink sleeve ,aluminum foil bag,retort pouch ,PE liner etc ...