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.