one way degassing valve for coffee packaging Highest degassing performance of Valve for aluminum foil bag .
Oxygen proof one-way valve coffee packing bags
Precise opening & closing pressure control
Style beauty and various.
Accurate in size and easy to apply on machine Packaging detail:1000pcs/bag,16 to 20bags/box
Shipping detail: one-way valve coffee packing bags will be delivered anywhere in the word by Ups,DHL or FedEx