... 4.Quad bag with zipper Use:pet food,animal feed etc... Food grade quad bag with zipper/pet food bag1.Material: PET ... /PE etc......2.Gravure plates for printing with food grade ink.3.Food grade adhesive for laminating.4.Style of bags: stand ... 2kg,5kg,10kg,15kg bags for pet food.6. Food grade certificates are ok to send to you before shipping but ...