This rare chair is in very good original condition. The seat is made of a solid aluminum. The rest of the frame is made of tubular steel, matte anthracite black, backrest elastic bands. The chair is height adjustable and has an adjustable tilt. Dimensions: H: 112/125cm, W: 62 cm, seat height: 43-53 cm. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution