has bamboo active carbon in it, can adsorb strange smell, heat preservation, restraint germ, resists germ, antistatic Features:1) Bamboo charcoal is made of high quality moso bamboo by the method of high temperature hydrogenation2) The surface of bamboo charcoal has hundreds of small holes. Each of them is about 2-3 micron, so the ratio surface is about 750 square meters.3) Has the super ability ...