Eco-friendly and effective: Our charcoal air freshener bag is fragrance-free and contains no residue or chemicals, it does not emit chemical fragrances, formaldehyde, ammonia and chloroform. They also have good antibacterial properties and are biodegradable - absolutely pure and natural. Natural air purifying bag: 100% activated bamboo charcoal contains millions of micropores that naturally absorb and eliminate bad odors . By capturing and filtering benzene, formaldehyde and harmful substances invisible to the human eye, indoor air is naturally purified and continues to function 24 hours a day. This makes bamboo charcoal the perfect natural air freshener and air freshener. Reusable: Placing the activated bamboo charcoal bag in the sun for 2 hours once a month, naturally rejuvenates the charcoal by removing excess moisture - extending the lifespan of these charcoal room odor absorbers for up to 2 years Moisture-resistant and antibacterial: These bags of natural bamboo charcoal not only absorb the unpleasant odor of the home, but also absorb allergens, bacteria, pollutants and moisture from the air. Use them as a moisture absorber to prevent the growth of mold and bacteria. Wide Usage: Bamboo charcoal air fresheners work effectively to remove unpleasant odors from shoes, cars, sports bags, luggage, shelves, pets, kitchen, bathroom, drawers and sports equipment