1 large room deodorizer and dehumidifier Perfect for a space up to 100 sq. ft. Say goodbye to odour and must with Ever Bamboo! ALL NATURAL bamboo charcoal moisture absorber UNSCENTED - eliminates odours instead of masking them LASTS UP TO 1 YEAR - reactivate under sunlight every 30-60 days Bamboo charcoal is produced from the rapidly growing moso bamboo. Its porous structure gives the charcoal its revolutionary abilities as both a deodorizer and dehumidifier. Usage: Place pouches in desired space. For smaller spaces see our Mini Deodorizer With proper care, your bamboo charcoal will last up to one year. Leave pouches outside under direct sunlight (2-3 hours per side) monthly for optimal performance. After one year, cut open pouches and mix charcoal granules into soil to regulate moisture. Content: Unscented bamboo charcoal granules