- ALL NATURAL bamboo charcoal moisture absorber. UNSCENTED eliminating instead of masking odors. LASTS UP TO 1 YEAR recharge under sunshine every 30-60 days. Usage: Place pouch in areas up to 100 sq.ft. (bathroom, bedroom, pantry, closet, attic, vehicle, pet area, etc.).Product Care: Place bamboo charcoal pouch outside under direct sunlight (2-3 hours per side) every 30-60 days. At the end of its lifespan, the bamboo charcoal pieces from the product can be mixed with gardening soil.Bamboo charcoal is produced from the rapidly growing moso bamboo. it has countless tiny holes that give the resulting bamboo charcoal its revolutionary abilities as both a deodorizer and dehumidifier. Unlike other deodorizer and dehumidifier, this one is chemical free, organic, and completely biodegradable, so you can breathe easy in more ways than one. [sustainable + reusable + recyclable] Purify by Nature!