... seal vacuum packaging bag1.Material:PET/VMPET/PE2.clear bag3.three side seal4.without printingProduct information: Bag useCoffee bag,food bag ... filmBag styleQuad seal bag, side gusset bag, stand up bag, three side seal bagBag materialPET/VMPET/PE,PET/AL/PE…Bag ... calculated according to bag size,material,thickness,printing and quantity Three-side sealed coffee packaging bag