foil coffee bags with valve Style:stand up bag with zipper foil coffee bags with valve1) View:packaging bags, creating excellent view on each side ... ,BOPP/VMCPP,BOPP/VMPET/S-PE.3)Style: stand up with zipper bag, three side sealed bag, Quad-sealing bags4)Color ... laminating, sealing and bag-making quality could be always guaranteed with our advanced facilities7)Packing:Cartons or according to you Note ...