1. High quality: Our vacuum-sealed coffee cans are made of high-quality materials. You can keep your favorite coffee fresh for a long time. This is an ideal vault for dry goods, food, coffee bean powder, tea, flour, sugar and herbs2. Time adjustment dial: The date is displayed on the lid to remind you how much time is left after opening the bag anytime, anywhere. It can help you track the freshness of coffee to prevent wastage, and don't miss the best time to drink coffee.3. One-way carbon dioxide valve: The built-in exhaust valve can prevent air from entering and avoid harmful oxidation, thereby ensuring the freshness of coffee beans. Solve the problem of long-term storage and drinking of coffee beans. The one-way carbon dioxide release gasket does not contain BPA.4. Drink fresh coffee every morning: Our jar can maximize the taste of your beans, so every bite is full of flavor and freshness.