The seat and backrest are covered with dark blue polyester fabric, 50 000 Martindale's. The frame is black. Pneumatic seat height adjustment. The height and tilt of the backrest are adjustable. The armrests are made of polyurethane. The height and distance of the armrests are adjustable. The base is made of black nylon. The chair has rubber castors, pin: 11mm. The seat height is 43-55cm, seat depth 48cm, seat width 49cm. The dimensions of the product are 65x47xH96-106cm. The weight capacity is 120kg.