50 Pack Coffee Bags with Aluminum Foil and Degassing Valve, Resealable High Barrier Storage Bags, Odor-Proof for Coffee Beans, Stand Up Coffee Pouch, Flat Bottom (Small-8OZ, Black)

Keep It Fresh By One Way VALVE – One-way degassing valves release the pressure of trapped air and gas such as the carbon dioxide emitted by coffee beans, while preventing outside air entering the bag. Comes with easy tab tear & side zipper’s seal to easy for open and seal the bags.
FOOD SAFE MATERIAL – Matt OPP + Aluminum foil fused protective inner lining + LLDPE – These bags are safe to use with food. Perfect to hold coffee beans until you are ready to grind and brew a fresh cup of coffee. TIPS: Outer layer is made of Matt OPP(Not Kraft Paper) which can’t bear ink.
Resealable & Reusable Zip lock: Stand up food bags are resealable, you can use them over and over again. Resealable Side zipper can protect the food from moisture, fit for long-time food preservation.
***NOTE***: Heat sealer (not included) is required to seal the bags’ top after put the coffee in.
Operating instructions: 1, Put in Coffee Bean or any you want to store. 2. Seal the top of the bag use your own sealing machine. 3.Squeeze the air out of the bag through degassing value. 4. tear the side zipper to open the bag when you need. NOTE: Heat sealer (not included) is required to seal the paper bag flaps.