Boveda 67g 62% Relative Humidity Individually Wrapped Pack of 12Description Patented Humidity Control Packs: Boveda's unique 62% humidity control packs regulate the moisture content, which results in a 15% higher terpene retention than items stored without Boveda. It works by adding or removing pure water vapor, as required, to maintain a precise relative humidity (RH). Responsive to Atmospheric Conditions: Only Boveda responds to any atmospheric humidity conditions inside a container by maintaining the