Purchase new computer chairs for your team without breaking the bank. These mesh back desk chairs keep you cool while concentrating on work. [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Contemporary task chair with ergonomic lumbar support Mesh comfort: designer ventilated back provides maximum breathability Pneumatic seat height lever, dual-wheel casters PRODUCT MEASUREMENTS: Overall Size: 24.75"W x 24.75"D x 34-38.5"H; Seat Size: 19"W x 18"D x 17-21.5"H; Back Size: 18"W x 17.5"H; Arm Size: 23.75-28.5"H from floor; 6.75"H from seat