product 1.[Food-grade 304 stainless steel material]: coffee canister are made of food-grade 304 stainless steel. Compared with the airtight container made of glass and plastic on the market, our container are stronger, less brittle, and rust-free and safer. 2.Transparent window designWhen you are looking for items, our airtight jars can see at a glance what food is stored in the airtight jar, while other models you can't know what's inside until you open it 3. prevent air from entering the tank, thereby ensuring the freshness of the coffee beans. Tastes unchanged 4.Date tracking and airtightnessThe coffee canister is designed with a lock, the lid is equipped with a silicone gasket, and there is a date tracking wheel on the top of the lid. The shelf life can be set when the coffee is loaded. The next time you open it, you will know how long it will be stored. 5.Wide usecoffee cans can be used to store coffee beans, coffee powder, sugar, tea, nuts and other foods that need to be kept fresh. Can be used in a coffee shop, home kitchen, outdoor office, or as a gift to a friend.