Features -The lid has a display date to remind your coffee storage time. -The top of the canister is provided with a one-way exhaust valve, which solves the problem that the canister can not be unidirectionally exhausted and also solves the problem of long-term storage, preservation and drinking of coffee beans. -Coffee canister has a freshness valve which vents out harmful carbon dioxide but prevents oxygen getting in. -Sealing rubber ring, non-toxic, environmental health, durable.
-This Container can store not only coffee bean, also other beans, tea which need to be kept in vacuum space.