Pet Gear Designer 4-Step with Removable Cover, Pet Stairs, Chocolate 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 with a top step depth of 9.5-inches and 2nd through 4th step depth of 9-inches; for pets up to 150-pounds