Product name: 304 stainless steel sealed tank Weight: Large: 451g, Small: 393g Product capacity: large: 1800ml, small: 1500ml Material: 304 stainless steel Product size: 19×13.5×12cm, 15×13×12cm Features: used to store dried fruit ingredients such as coffee beans and tea Why should coffee beans be sealed and stored? Freshly roasted coffee beans are not suitable for drinking, they should be stored for a week to release the gas inside the beans. Generally speaking, in the case of sealed coffee, the drinking period of coffee is within one month after one week after frying. At this time, the coffee beans are fresh, rich in aroma and good taste. The coffee flavor will gradually disappear after one month, please choose the right time to drink to ensure the taste! Our customer service will help you when you meet any questions, welcome the consultation! Your happiness and satisfaction is the best review to our service!