Pet Gear Designer with Removable Cover, Pet Stairs 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 Easily snaps together Step height is 6-inches; top step depth is 9.5-inches and 2nd and 3rd steps are both 9-inches deep; for pets up to 150 pounds