... Coffee Bag With Valve 1)Hi-barrier oxygen moisture 2)Food Grade(FDA,SGS) 3)Standup,One Way Valve 4)K ... Seal Stand Up Coffee Bag With Valve*High Barrier of Oxygen,Moisture*Material ... Gusset, Quad Seal/Regular Seal*Stand up Zipper*PBI Valve*Easy Peelable*Full/Partial Matte Lacquer*Customer's designs, ... PACKAGE SUPPLIER ! ! ! HOT!!! Megpack Stand Up Coffee Bag With Valve