This product adopted the pure nature alpine mao bamboo fired at high temperature, it was having superstrong absorbing closely and porously. Can get up and pick up the moisture in the room, dampproof, defend being mould, dispel the efficiency of the peculiar smell of the room. Especially put it in while fitting up room and car newly, but in order to absorb residues such as formaldehyde, benzene,etc. and pollution and peculiar smell that the harmful gas bring rapidly. It is tired that far infrared ray and anion function of the charcoal of bamboo can relieve the human body, promote the health. we could execute your order according your designe.