Light-duty task chair offers black mesh fabric upholstery and a sturdy textured frame. Functions include pneumatic seat-height adjustment from 17 to 21, 360-degree swivel, tilt tension and tilt lock. Seat measures 19-3/4 wide x 17-3/4 deep. Back dimensions are 19-3/4 wide x 20-1/4 high. Five-star base has five 2 dual-wheel casters for easy chair movement.