300G Air Purifying Bag- Natural Bamboo Charcoal Freshener (High Effective Nano Mineral Crystals) Deodorizer and Odor Absorber for Eliminator of Formaldehyde, Humidity in Car, Closet, Bathroom These are crystals formed from sepiolite, attapulgite, and diatomaceous earth. They contain many non-metallic rare minerals that have incredible purification properties, allowing them to remove many dangerous chemicals from the air. SAFE TO USE AND IMPROVES HEALTH: These pores effectively absorb and decompose chemicals from the air, such as sulfide, hydroxide, methanol, benzene, phenol, and other harmful/odorous chemicals. Particular uses include absorbing second-hand smoke, kitchen fumes, car odors, bathroom odors, and others. VERSATILE & EASY TO USE- It can be used in many areas of your life, including your office, car, bathroom, closet, pantry, kitchen, locker, cabinets, refrigerator / freezer, changing room, sports bag, litter box, bird or pet cage, luggage, storage box, smoking ashtray and in or near anything else that smells bad or has excess moisture. RECHARGEABLE - At temperatures greater than 122 degrees Fahrenheit, the nano-crystals begin to decompose the dangerous chemicals that the carbon has adsorbed. This means that the filter can be cleaned and recharged simply by placing it in direct sunlight for about two hours each month. COMPLETELY SCIENTIFIC - Activated carbon has been used for decades as a purifier and has been proved time and time again to be extremely effective. It is well known to remove odors and dangerous chemicals from the air, and it is all natural.If you are dissatisfied with the product, we offer a 100% money-back guarantee.