Flash Furniture Mesh Back Computer Chair, Black: * Mesh back * Padded mesh seat * Black nylon T-arms * Black nylon base * Pneumatic seat height adjustment * Locking tilt control mechanism * Tilt tension control * Dual-wheel casters * Seat size: 19" W x 18.75" D * Seat height: 17.25" - 22" H * Black computer chair arm height: 7" H from seat * Black computer chair back size: 17.75" W x 18" H Protect your carpet and floor - CLICK HERE to see our selection of chair mats.