Made of 7/8" O.D., 18-gauge steel tubing in 3 fixed and 3 adjustable sizes. 14"-dia. seat with an 11½"-dia., ½"-thick vinyl pad riveted thru the steel seat pan. Features a 5/8" O.D. foot ring welded to each leg at 4 contact points for added rigidity. The optional vinyl-padded backrest is 6"H and 12"W and adjusts up/down and forward/back. Metallic gray powder-coated frame with gray vinyl padding.