4 Pack Air Purifying Freshener Bag 400g in Addition to Formaldehyde Odor Activated Carbon Package for the New House or Car Fresh bamboo charcoal bags eliminate odor naturally.One bag covers small area up to 60-70 square feet.Total there are four bags in one pack Natural air purifying bamboo charcoal bags prevents mold, mildew and bacteria growing by absorbing excess moisture 100% natural bamboo charcoal, 100% fresh and active carbon bamboo charcoal crystals in a durable and well-made linen bag Natural active carbon bamboo charcoal bag, air freshener is perfect for kitchens, basements, bedrooms, Refrigerators, Freezer, Closet, Luggage, Shoes cabinet, Kid's room, Pet Area and other living areas Eliminate formaldehyde, benzene, ammonia, TVOC, etc.Improve the bedroom environment.Eliminate the odor, commonly used in indoor wet purification, decorate, ambry except flavour and interior purification