High Barrier Kraft Paper Coffee Bags Stand Up/Flat Bottom Coffee Pouches with Air Release Valve and Reusable Pull Tab Side Zipper (50 Pieces, 1 Kg) by Amazon.co.uk

• High Barrier Foil Coffee Pouches, Resealable Coffee Bags with Air Release Valve, Flat Bottom & Pull Tab Zipper, FOOD SAFE MATERIAL \u2013 Matt OPP + Aluminum foil fused protective inner lining + LLDPE.

• KEEP IT FRESH \u2013 Preserve the freshness of your contents with a degassing valve to keep gases and moisture at bay. Comes with side zipper\u2019s tamper proof seal.

• Degassing Valve, Resealable zipper, Flat Bottom for better Shape

• A heavy-duty bag that provides both an excellent moisture barrier and high resistance to puncture and tear with it 6 milliliters thickness.

• Must seal the top of the bags after putting coffee using Impulse Sealer