Yosoo Universal PU Leather Car Interior Front Seat Cushion Mat Protective Cover Pad Single Seatpad for Auto Car Office Chair (Gray) VENTILATE - Bamboo charcoal healthy cushion, ventilated and dry, Made of Activated Bamboo Charcoal & sponge of high elasticity, longtime use can maintain hip, back refreshed HEALTHY - Charcoal cushion can effectively control the temperature, adjust the humidity, Health Keeper, useful to relieve fatigue, quicken metabolism and prevent bacteria SAFETY - Charcoal is a pure natural product and it is non-toxic, tasteless, no side effects USE - Good choice for those who longtime use seats, auto seats, sofa, like office staff and driver, Especially suitable for drivers and office workers Size: (Front row )About 50*52cm (19.7*20.5 inches),(Back row) About 135*49cm (53.15*19.29 inches)