50 Pack of Coffee Storage, Coffee Bags with Valve Black High Barrier Aluminum Foil Flat Bottom Standing Coffee Beans Storage Bags, Reusable Heat Sealable Side Zipper Pouches for Home or Store ( 4 size Available).

Description   ☞【Keep Coffee Beans Fresh】: The one-way air valve keeps the coffee beans and roasted coffee fresh. Excess gas flows from the inside to the outside without returning gas, keeping food fresh ☞【Food Safety Material】: Matte BOPP PET aluminum foil food-grade PE, Three-tier design makes it stronger, blocks light, keeps coffee from odor or moisture, ensures the taste of coffee or powder in the bag, and can also be transported over long distances ☞【Functions: Household】: Not only to ensure that the coffee is fresh but also to store other nut snacks and so on; Commercial: You can attach your own brand label on the surface as a retail or sample display package ☞【Operation Instructions】: 1. Put the items to be stored 2. Must use a sealing machine(not included) to seal the top of the bag occasionally not completely sealed, can turn the bag over, heat seal again） 3. Squeeze out the air from the bag through the degassing valve 【Size and Quantity】:             125 Gram (H15*9*3cm)        250Gram (H16*12.5*6.5cm)        500gram (H22*13.5*7cm)         1000gram (H29*15*10cm)aluminum foil flat bottom reusable side zipper coffee bags with one-way air valve