Charcoal is a pure natural product and it is non-toxic, tasteless, no side effects. Bamboo charcoal healthy cushion, ventilated and dry, Made of Activated Bamboo Charcoal & sponge of high elasticity, longtime use can maintain hip, back refreshed;. Charcoal cushion can effectively control the temperature, adjust the humidity, Health Keeper, useful to relieve fatigue, quicken metabolism and prevent bacteria;. Good choice for those who longtime use seats, auto seats, sofa, like office staff and driver, Especially suitable for drivers and office workers;. Front row Size: 50*52cm (19.7*20.5 inches).