CVault is the go-to storage container, it is the “The World’s Smartest Storage Container, No Thinking Required!”. The combination of Boveda’s humidity control pack with the food grade 304 stainless steel, creating the perfect environment. Medium specifications: Interior Diameter: 4” or 10 CM Depth / Height: 2.67” or 6.8 CM ¼ inch wide food grade silicone ring to ensure seal. Humidity pack holder specifically designed to hold your Boveda® Humidity pack. Latches are engineered to provide a perfect seal; ensuring product freshness. Includes; (1) 8g 62% RH Boveda® Pack.