89-99cm adjustable height: Adjust this desk chair to a position best for you, controlled by the gas lift for smooth movement. Ergonomic: PC chair features a 360° swivel seat, two fixed armrests, a tall back and five wheels on the base. Works with your body, supporting it whilst seated. Comfortable office chair: Padded seat and linen-look upholstery makes it easy to sit on this home office chair for long periods. Five wheels: Attached to the base of this computer chair - easy to move it around. Dimensions: 89-99H x 61W x 61Dcm. Seat: 47-57H x 48W x 44Dcm. Maximum load 120kg. Assembly required. It's BS5852 qualified.