This mesh office chair from Office To Go features a soft screen mesh backrest for maximum support and ventilation. Other features include thickly padded seat cushion upholstered in breathable mesh fabric, height adjustable arms with urethane pads, 360-degree swivel, pneumatic seat height adjustment, synchro tilt chair control, tilt tension adjustment, single position tilt lock and a heavy duty scuff resistant arched molded base with dual wheel carpet casters. This chair meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 20"W x 17.5"D. Back Size: 18"W x 25"H. Seat Height: 16" - 20"H. Overall: 43"H x 25"W x 23"D. Five year limited warranty from Offices to Go. This chair normally ships within 1-2 business days.