Size:38*13*14cmMaterial: Activated carbon + High Quality fabricsFunction of bamboo charcoal:1，adsorb harmful gas such as methanal， ammonia， benzene2，release far infrared ray3，release anion4，release microelement5，control the reproducing of microorganism6，expelling parasite，sterilization7，antioxidation8，electrostatic shielding，prevent radiation of electromagnetic wavePackage include:1 x Charcoal PackageWe guarantee a safe and secure shopping experience so you never have to worry."