1.material structure: PA+PET+PE 2.bag type:stand up bag with zipper 3.Feature: ... excellent printing technologysuitable for snack food, fast food, instant food pet foodQS/health certificationexcellent refreshing and anti-oxidation ability customized design ... for Production:customized material structure (such as BOPP,PET,VMPET,PA,KOPP,CPP,PE,etc.),size,style and printed design are welcomed ...