This high back office chair provides ultimate lumbar support. The Unico has firm 100 Polyurethane cushion rolls for the back and a plush seat. The frame is comprised of a steel tube and the arms are height adjustable. The tilt mechanism is locking and height adjustable. Indoor Outdoor Indoor Color Black or White Product Finish Treatment or Material Powder Coated Assembly required Y or N Yes Available to buy in increments of 1 Dimensions