Premium Nano-crystal activated carbon Air Purifying Bag ,10 Times More Effective Than Bamboo Charcoal Air freshener For Cars, Newly decorated house, Pet Areas,Shoes-300g The only Nano-crystal activated carbon on AMAZON,it's up to 10 times more potent than similar bamboo charcoal deodorant products,The number of micropores in the nanocrystalline is 5,000 times that of the ordinary activated carbon, which is beneficial to the super-absorption, ion exchange, effective decomposition and release of negative oxygen ions of the product. Recyclable - after being used for 1-2 months, the absorption effects can be recovered to the original state under exposure in the sunlight for 3-5 hours. Recyclable - after being used for 1-2 months, the absorption effects can be recovered to the original state under exposure in the sunlight for 3-5 hours. The water & moisture-proof vacuum packaging prevents the invalid adsorption in the transport process to ensure the zero adsorption upon delivery. Free packaging sachets are provided for amount distribution at will. The water & moisture-proof vacuum packaging prevents the invalid adsorption in the transport process to ensure the zero adsorption upon delivery. Free packaging sachets are provided for amount distribution at will.