What is Natural Bamboo Charcoal? LotFancy Bamboo Charcoal Bag is a kind of charcoal which is made from high-altitude bamboo of three years and above and is fired at a temperature of nearly one thousand degrees. Naturefresh air purifier bags has a loose and porous structure, and its molecules are fine and porous, and the texture is hard, this carbonaceous pore can effectively absorb some of the floatinl chemicals. Activated Charcoal Odor Absorber has strong adsorption capacity, can purify the air, eliminate odor, absorb moisture and mold, and inhibit bacteria and insects. Charcoal Air Purifying Bag has strong adsorption capacity for toxic and harmful gases such as benzene, methanol and xylene, and produces negative ion purification air.