Dura-white powder coated finish. Sturdy tubular steel frame. Non-slip step surface. Folds for easy storage. Lightweighteasy to carry. Highest standing: 27-1/2". Step size: 15" L X 10" W; Open size: 48-1/2" H X 18-7/8" W x 25" D; Close size: 52" H x 18-7/8" W x 5-1/8" D.