... printing technologysuitable for snack food, fast food, instant food pet foodQS/health certificationexcellent refreshing and anti-oxidation ability customized design ... PET,VMPET,PA,KOPP,CPP,PE,etc.),size,style and printed design are welcomed.optional sealing type:3-side-seal,quad-seal,back-seal ... type:stand up bag,zipper top bag,3-side heat seal bag,hot cutting bag,side gusset bag,retort bag,vacuum ...