Quad Coffee Bag 1)Hi-barrier of oxygen, moisture 2)Food ... ) 3)Side Gusset,Standup,One Way Valve 4)EZ Peelable Quad Coffee Bag*High Barrier of Oxygen,Moisture*Material: PET/AL ... Grade (FDA,SGS,ISO,HACCP)*High puncture resistance*Side Gusset, Quad Seal/Regular Seal*Stand up Zipper*PBI Valve*Easy Peelable ... on Every Customer's Request YOUR REALIABLE FLEXIABLE PACKAGE SUPPLIER ! ! ! Quad Coffee Bag