1.material structure: PA+PET+PE 2.bag type:stand up bag with zipper 3.Feature:light shading,anti-oxidation Product ... (such as BOPP,PET,VMPET,PA,KOPP,CPP,PE,etc.),size,style and printed design are welcomed.optional sealing type:3-side ... seal bag,hot cutting bag,side gusset bag,retort bag,vacuum bag, Aluminum foil bag, etc.1-9 color excellent printing technologymore than 12 years of production and ...