With two steps, the deluxe Step up Stool gives children a boost of up to 13", making it easier for them to reach intended targets. Each step includes a 1" non skid strip on top for added grip. Super strong and stable. Greenguard Gold certified. Baltic birch plywood construction. Stationary. Fully assembled. 15 year warranty. Measures 18"W x 16"D x 15"H.