Stainless Steel Coffee Beans Vacuum Storage Jar with Spoon Large Capacity Airtight Container Grains Nut Keep Fresh Storage Jar. This coffee bean storage can is made of high quality 304 stainless steel, which is safe and odorless, sturdy and durable, light and heat insulation, and keeps the freshness of coffee beans better. The coffee storage can has a one-way exhaust valve that discharges carbon dioxide from the can, keeping the coffee beans fresh and making the coffee delicious long time. The coffee storage canister has a date tracker on the top of the lid for recording the date of canning or roasting, making it easy to know the freshness of the coffee beans and calculate the number of days of storage.