The Moso Bag is the easiest way to maintain a fresh, dry and odor free environment.;The powerful bamboo charcoal is sealed inside a beautifully stitched linen bag. It is safe to place on any surface or material; Covers 90 sq. ft. perfect for cars, closets, bathrooms, pet areas.;Prevents mold, mildew and bacteria from forming by absorbing excess moisture.;Fragrance Free, Chemical Free and Non-Toxic, the natural moso bamboo charcoal will and effectively absorb odors, allergens and harmful pollutants.;Reuse for up to two years, to rejuvenate just place the bags outside in the sun once a month for about an hour.