The Moso Natural Air Purifying Bag is a high quality odor eliminator that actually absorbs odors instead of just covering them up. Chemical free, fragrance free and non-toxic, it is a safe alternative to traditional air fresheners that typically contain harmful chemicals and fragrance. Sealed inside a beautifully stitched linen bag that can be placed on any surface, it works continuously without batteries or wires to capture and eliminate odors and harmful pollutants without giving off a scent. In damp, musty environments it also absorbs excess moisture and regulates humidity. 300 grams of moso bamboo charcoal, measures 6.5" x 6" x 2", covers 90 square feet. Perfect for closets, bathrooms and laundry rooms 600 grams of moso bamboo charcoal, covers 300 square feet. Perfect for kitchens, basements, bedrooms or pet areas Freestanding, stand-up design lets you hang or place the bag in any small or large room Chemical free, fragrance free and non-toxic Requires no batteries or wires Lasts up to 2 years with routine rejuvenation: place outside in the sun once a month for one hour Care after use: after two years, cut open the charcoal bag and sprinkle into your garden to promote plant growth