Office Star Exec. High-Back Chair,26-1/2"x31-1/2"x46-1/4",Leather,Black High-back executive leather chair features top leather contoured seat and back with built-in lumbar support and leather padded loop arms. Functions include one-touch pneumatic seat-height adjustment, 360-degree swivel, tilt, tilt tension and tilt lock. Executive chair offers heavy-duty nylon base with dual wheel carpet casters. Seat size is 21-1/2" x 22" deep x 5" thick. Back size is 21-1/2" x 5" thick x 26-1/2" high.