Aluminum Ziplock Empty Coffee Bags With Air Valve Perfect for cafes, restaurants, coffee companies sealing coffee beans, coffee powder, affixing their own logo. These bags are of universal design and are not printed with any logo. Suitable for anyone who likes to make their own coffee beans, coffee powder.The inner layer of aluminum film is thicker than coffee bags on other markets. The reason for the recommendation is that many companies and cafes buy more than 10 sets at a time, with customers buying back every month. You will never make the wrong choice in this coffee bag.I roast my own coffee and these bags are perfect for giving coffee to friends and family. They are attractive for who like roast coffee beans.I exactly share it to somebody like me enjoying a coffee.The amount of pouches are plenty of storage .Waterproof and easy clean.