PhotonDynamic Moso Natural Air Purifying Bag 200g. Naturally Removes Odors, Allergens and Harmful Pollutants. Absorbing Excess Moisture. Fragrance Free, Chemical Free And Non Toxic. 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.