Coffeevac Airtight Multi-Use Vacuum Seal Portable Storage Container / 500 grams / TightVacFor Tea guests, it will hold 10 to 16 oz of Darjeeling and green teas. Coffeevacs have a unique patented vacuum closure system, our 2 way valve, allows the carbon dioxide from the beans to slowly escape, without letting oxygen in. Solid and tinted models protect light sensitive beans and tea leaves. Coffeevacs save you money and guarantee smooth rich coffee flavor. The multi use 16 oz Coffevac can also be used for most dry & wet goods. Store