-The lid has a display date, time coffee adjustment insurance, reminding your coffee anytime anywhere to open the package placed after how long.
-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.