The seat and backrest are covered with grey polyester fabric, 30 000 Martindale's. The frame is black. Pneumatic seat height adjustment. The height, distance and tilt of the backrest are adjustable. The armrests are available as an accessory. The base is made of black nylon. The chair has auto brake plastic castors, pin: 11mm. The castors can be replaced with not moving substitutes. The seat height is 41-54cm, seat depth 41cm, seat width 46cm. The dimensions of the product are 46x44,5xH95,5-113,5cm. The weight capacity is 90kg.