100% NATURAL BAMBOO CHARCOAL: The bamboo charcoal bags are made of 100% natural bamboo charcoal, without any fragrance and chemicals. They have good absorption to remove odors and can fresh the air. Safe for children and pets.REUSABLE FOR 2 YEARS: Rejuvenate the charcoal bags by placing them under direct sunlight once a month for about two hours. It restores the effectiveness and maintains the service life of the bag for up to 2 years.EFFECTIVELY REMOVES ODORS: Bamboo charcoal absorbs odor 10x than regular charcoal bags, eliminating musty odors with ease. We recommend placing multiple air purifying bags in different areas around the house to maximize the air purification effect.MULTIPURPOSE FRESHENER: They are made with a durable burlap bag with a built-in metal hook design that is easy to use and carry. The 2x200g bags standard size of bamboo charcoal particles are suitable for a larger area with air. The bags can be placed in shoebox, gym bag, cabinets, and trash bins. The 12x50g bags small size are suitable for bathroom, refrigerator, kitchen, closet, car, and other small spaces.EXCELLENT CUSTOMER SERVICE: Customers are at the core of everything we do. If you have any problem with this bamboo charcoal bag, please feel free to contact us and we will resolve the issue for you.