... 3)Side Gusset,Standup,One Way Valve 4)EZ Peelable Quad Coffee Bag*High Barrier of Oxygen,Moisture*Material: PET/AL ... (FDA,SGS,ISO,HACCP)*High puncture resistance*Side Gusset, Quad Seal/Regular Seal*Stand up Zipper*PBI Valve*Easy Peelable*Full/Partial Matte ... resistance; easy-peel options and solid sealing intensity4) Stand up pouch with zipper top & One-way valveAbout Us1) Professional flexible ...