PRICES MAY VARY. Two Exhaust Modes: Our coffee cans offer two valves, White Exhaust Mode, Black Off Mode,which keeps air out and prevents harmful oxidation through a one-way CO2 valve and silicone rubber seals. thus helping to maintain the freshness of the coffee beans. STAINLESS STEEL COFFEE CONTAINER - This coffee containers are made of thick, high quality 304 Stainless Steel to create a comfortable environment for coffee beans COFFEE STORAGE WITH DATE TRACKER- Ensure your coffee is always fre