Special exhaust valve: Coffee beans naturally release carbon dioxide, but carbon dioxide will affect the freshness of the coffee and make the coffee beans lose their flavor more quickly. The unique design of our coffee cans releases the carbon dioxide produced by the coffee beans, while blocking and moisture from entering the cans to freshness.The date wheel helps to track freshness: turn the date tracking wheel on the coffee storage container to record the date when coffee beans were purchased or ground, or the coffee expiration date to freshness and reduce waste.Special sealing: The silicone sealing ring and lid of the sealing cup adopt a unique locking system.Coffee beans naturally emit harmful co2, our coffee holder features flavour saving one-way valve which can release co2 but lock out oxygen, to save your beans from flavor-destroyers.Capacity: Our container can hold 16oz /1.1lb (500g) coffee beans or 19oz /1.2lb (554g) ground coffee. It can store not only coffee beans or grounds, also dry food like sugar, tea. The featured scale line inside the container helps remind you to add more in time.Multifunctional use and added value: The coffee powder container is not only used for storing coffee beans, but also for tea, sugar, cocoa, oatmeal, pasta, oatmeal, etc. It is an excellent gift for holidays, birthdays, Valentine's Day, Mother's Day and other holidays.colour: blackMaterial: stainless steelSize: 1.5L, 11.8x15.6cmPackage Contents:1 x coffee can1 x spoon6 x valveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.