... gusset and degassing valv Aluminum Foil Coffee Bags With Vavle 1.Foil Coffee bag with zip 2.Food grade 3.Size,thickness,print customized ... proof/antistatic Industries uesd Food industry:candy,biscuit,coffe,coffe beans,fruit,tea,spices,sauces,met,pet food.etc Cosmetics and ... inquiry and sincerely hope to establish business relations with you. Coffee beans bag