Together with the power of Boveda's patented 2-way humidity control, a CVault container helps you create the perfect storage environment for cannabis, from the cure through to consumption. Boveda, the original terpene shield, saves the terpenes while the lightproof and airtight design protects stored cannabis from degrading. Includes Boveda 62% RH, the original terpene shield. All-natural salts and purified water inside keep terpenes protected for 2-4 months. Just place into the specially engineered lid and let Boveda get to work saving your terps. Replace when Boveda is rigid Preserves the aroma, flavor and effectiveness until after the grind. Boveda creates a monolayer of purified water molecules that naturally coats trichomes to shield terpenes and cannabinoids preserving the smell until use. Lightproof stainless steel design prevents cannabis from degrading. Food-grade silicone seal latches closed to create an airtight enviroment to prevent oxidation of cannabis. Shatter-proof—unlike glass jars. Stackable to easily to maximize your vertical storage space for home growers or dispensaries. Professional-grade storage containers come in these 4 sizes: Small (3.25" x 1.75") stores up to 14 grams (.5 ounce) cannabis/hemp, includes 1 Size 8 Boveda Medium (4" x 2.67") stores up to 28 grams (1 ounce) cannabis/hemp, includes 1 Size 8 Boveda Large (4.75" x 3.33") stores up to 56 grams (2 ounces) cannabis/hemp, includes 2 Size 8 Boveda 2 Liter (7" x 4") stores up to 113 grams (.25 pound) cannabis/hemp, includes 1 Size 67 Boveda Do not mix Boveda RH levels within the same container, and do not use Boveda in the same container with other humidification products. They will fight against each other and reduce the efficiency of the Boveda.