The Moso Bag is the easiest way to maintain a fresh, dry and odor free environment.;Fragrance Free, Chemical Free and Non-Toxic, the natural moso bamboo charcoal will and effectively absorb odors, allergens and harmful pollutants.;Prevents mold, mildew and bacteria from forming by absorbing excess moisture.;Reuse for up to two years, to rejuvenate just place the bags outside in the sun once a month for about an hour.;Use in areas up to 250 square feet. Kitchens, Living Areas, Bedrooms, Basements