50 PCS Diamond Shape Coffee Bags with Valve (5 oz/0.3 lb) White High Barrier Aluminum Foil Stand Up Coffee Beans Storage Packaging Bags, Reusable Heat Seal Side Zipper Pouches for Roasters & Home

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Size & Quantity: 50 PCS food packaging coffee bags empty, 6.2×(6.6/7.8) inch, volume of 5 oz/0.3 lb/150 g, thickness with 5.5 Mil per side, aluminum foil stand up resealable side zipper smell proof bags with one-way degassing valve
One-Way Degassing Valve: The one-way air valve maximizes the freshness of coffee beans and roasted coffee. Excess gas flows from the inside to the outside without returning gas, keeping food fresh
Food Grade Material: Made from Matte MOPP, aluminum foil and food grade PE, three-layer composite material design make it stronger, block light, keeps coffee from odor or moisture, ensure the taste of coffee or powder in the bag, and can also be transported over long distances
Diamond Shape & Stand-Up Design: Eye-catching geometry stands firm on shelves, creating a premium retail presence. Easy to fill, store, and display
Heat Seal Demo: 1. Put the items in the bags 2. Must use heat sealer machine (not include) to seal the top of the bag (occasionally not completely sealed, can turn the bag over, heat seal again) 3.Squeeze the air out of the bags through degassing valve