PGI1231 Features: * Stair with removable cover * Wider and deeper stair landings for small and large dogs * Carpet treads and designer cover remove easily and are machine washable * Rubber grippers on bottom keep step secure and in place * Snaps together very easily (no tools required) * For pets up to 150 lbs Dimensions: * Step height: 6" * Top step depth: 9.5", 2nd step depth: 9", 3rd step depth: 9", 4th step depth: 9" * Dimensions: 33.5" H x 16" W x 30.5" D