... most professional supplier in China. Detailed product information: Name Laminated material snack bagOriginHebei, ChinaMaterial LDPE, PA, PET, MAT-OPP, PEARLITE ... & high transparent, accurate overprintedTypeStand up pouch, back-side sealed, three-side sealed (With zip or not, with handle or not), Vacuum ... so on Photos for your reference:3-side sealed 3-side sealed with zip Side gusset bag Stand up bag ...