"Bagging" of coffee is the process by which coffee-beans are packed into vacuum-sealed bags. This seals in their flavor and freshness.Protection is the primary role of bagging coffee. What it does is keep coffee beans from contact with air, moisture and light--three enemies to quality beans! As for the technological characteristics of bagging coffee, they are primarily to use high-barrier films; secondly, vacuum seal every package; and thirdly fill with nitrogen gas.each pack also often has resealable closures for sealing the bag tightly after opening.Applications commonly divide coffee bagging work into retail sales and cafe restaurants, each way is ensuring that customers get the world's best coffee.