Holding Capacity of 3 to 4 Ounces This 2 liter commercial humidity controlled container comes with one (1) 60 gram 62% Boveda humidity pack that attaches to the inside lid of the container, ensuring utmost freshness at all times. Small CVault Lid Design: ╝ inch wide silicone seal to ensure an airtight seal. Top of lid can be written on with a NON-PERMANENT marker and relabeled as vault contents change. Humidity Pack holder specifically designed to hold your Boveda«. Industrial Engineered Latch Design: Engineered to provide an airtight seal; locking in product freshness consistently. CVaults Are Stackable: Buy multiples of the Cvault and different varieties without storage issuess as containers are stackable.