How it works ?. . install the boveda 320 g mounting support in the inner lid of your cigar humidor thanks to its magnetic support. place a boveda 320 g humidipak on this support. let your boveda 320 g sachet act. . mark. boveda. . matter. metal. . colors. brown. . presentation. metal support in its plastic packaging. . specificities. until now the largest and most popular size (60g) was the most used accessory for humidor maintenance. typically 3 - 4 packs are used to properly regulate humidity. this process was condensed into a single larger unit (320g). this 320g bag lasts up to 6 times longer than any other boveda bag. boveda's reverse osmosis membrane releases only pure water vapor that will not harm your cigars.. . dimensions. fixing support for boveda 320 g bag: length x width x thickness (cm). 16.2 x 11.7 x 0.5cm