Bamboo Charcoal Air Purifying Bags: With their countless porous holes, these charcoal bags easily absorb odors and freshen the air to keep your space odor-free and breathable Keep moisture out of your closet: By absorbing moisture, activated bamboo charcoal effectively reduces humidity, making it perfect for basements, closets, bathrooms, laundry rooms, and other enclosed areas that tend to collect moisture Easy to use and reuse for up to 2 years: At least once a month, simply place the charcoal bags in the sun for rejuvenation for 1-2 hours; after reuse for 2 years, the charcoal makes a wonderful addition to your garden and the cotton linen bags can be used for crafts and other DIY projects Scent-free and durable: Perfect for use around children and pets; the charcoal helps remove odors caused by cats or dogs, creating cleaner, fresher air for your children. In this way, this odor absorbing set can be an excellent housewarming gift, birthday gift and holiday gift for your families and friends.