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