Attractive seating offers function and durability. Polypropylene seat is supported by a solid metal bracket welded to a steel frame for maximum support. 18"Wx18"D seat; 19"Wx13 1/2"H back. 19 1/2"Wx18 1/2"D overall. Pneumatic lift height adjustment raises seat to comfortable working height. Stool includes footring. Ships unassembled.