Compression Canisters

These canisters seal airtight and ensure freshness when you need it! * Double gasket ensures complete airtight.* Dual one-way patented air valves automatically release CO2 built-up when storing coffee.* Simply push the lid all the way down until it touches the item being stored to expel all air inside, then fold the handle down to close the air valves.* Borosilicate reinforced glass are pure, clean, strong and safe to handle.* Tapered bottom is designed to be stackable and resists accidental tipping.Sizes: Small (13 fl oz; corresponds to 8 oz bag of coffee)Medium (20 fl oz; corresponds to 12 oz bag of coffee)Large (42 fl oz; corresponds to 24 oz bag of coffee)