These adjustable height stools are ideal for science labs and art rooms. Durable poly stools are made with 13-gauge top support welded to four 1-1/8" diameter, 18-gauge carbon steel legs. The polypropylene plastic seat offers users comfort with some flexibility. Lab stools feature a foot rest and rubber cushioned glides for further seating comfort. This polypropylene lab stool has an adjustable height of 24"-33".