50 PCS Upgraded Coffee Bags with Valve (Holographic, 16 oz/1 lb), Black High Barrier Aluminum Foil Flat Bottom Standing Coffee Bean Storage Bags, Heat Sealable Resealable Bag for Home.

Additional Details from the Manufacturer

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• Size and Quantity:50 Pcs food coffee bags with Valve , 5.31×10.43 inch, volume of 16oz/1lb/500g, double-sided thickness of 28 wires, aluminum foil flat bottom resealable side zipper smell proof bags.
• Food Grade Safe MaterIals:Made of matte MOPP, aluminum foil and food grade PE, the three-layer composite design makes it stronger, blocks light, prevents the coffee from odor or moisture, ensures the taste of the coffee or powder in the bag, and it can also be transported over long distances.
• With One-Way Gas Valve: The one-way gas valve keeps beans and roasted coffee fresh. Excess gas flows from the inside to the outside without backflow, thus maintaining the flavor of the coffee.
• Product function: suitable for packaging various products, including kitchen ingredients, not only to ensure the freshness of the coffee, but also to store other nuts snacks, etc.; Commercial: can be labeled with your own brand on the surface, as retail or sample display packaging.
• Instructions for use : 1. Put in the items to be stored 2. Seal the mouth of the bag with a sealing machine (not included) 3. Squeeze out the air in the bag through the degassing valve