Top Star Store Car Seat Covers Premium Car Seat Cushion Bamboo Charcoal Breathable Seat Cushion Cover Pad Mat for Auto Car Office Chair (Brown) 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 Backside skidproof design for more safe driving,Charcoal is a pure natural product and it is non-toxic, tasteless, no side effects Good air permeability and humidity control,Suitable for drivers and office use Size: About 45*45cm (17.5 * 17.5 inch)