Vktech&reg; 42cm*42cm Bamboo Charcoal Breathable Car Seat Cushion Cover Pad Chair Mat (Grey) Bamboo Bamboo Charcoal Seat Cushion Made of Activated Bamboo Charcoal &sponge of high elasticity Good air permeability and humidity control Health Keeper, useful to relieve fatigue, quicken metabolism and prevent bacteria Especially suitable for drivers and office workers