These stools are perfect for a science lab or art room. Made of 18-gauge steel tubing, 14" diameter seat with an 11 1/2" diameter, 1/2" thick vinyl pad riveted thru the steel seat pan. Foot ring is welded to each leg at 4 contact points for added rigidity. Available in 3 fixed height sizes in Metallic Gray powder-coated frame with Gray vinyl padded seat.