Boveda 2-Way Humidity Control
 
Automatically adds or removes moisture with precise, patented 2-way humidity control. 
Prevents Evaporation of Terpenes
Maintaining the ideal realive humidity (RH) during strorage protects trichomes by creating a shield of moisture, known as a monolayer, that eliminates the effects of evaporation.
 
Size : 8 / 62% (RH) 
Protects up to 1 oz