Oxygen, light and heat stale coffee fast. Airscape canisters push the air out with a plunger lid; MiiR Airlock and Bruer vaults use one-way valves. Sized for 250g and 1kg bags.
How to store coffee beans
Keep beans sealed, cool and out of the light, and buy in the size you'll finish inside three weeks. A canister on the bench beats a bag with a rubber band.