The World’s Smartest curing and storage container, no thinking required! CVAULT uses 2-way 62% Boveda humidity technology to keep your herbs at the absolute peak freshness. Simply insert a replaceable Boveda humidity control packet in the lid of the container to regulate your herbs to the optimal humidity levels. CVault’s thick silicone ring ensures an airtight seal and is made from food grade stainless steel with a wide mouth design for easy access. Enjoy no loss of oils, character, or flavor with Boveda’s all natural elements; salts and water. NO CHEMICALS! Replacement Boveda packets are available online and in-store. 9″ diameter x 5-1/2″ height holds approx 1/2 pound of herbs. Each 4 litre size CVault comes with one 67 gram 62% Boveda packet.