Wider and deeper stair landings for small and large dogs; rubber grippers on bottom keep step secure and in place Carpet tread is removable for easy cleaning. Step height- 6 inch. Top step depth- 12.25 inch. 2nd step depth- 11.5 inch Snaps together very easily, no tools required Measures 22 x 16 x 16-inches; for pets up to 150-pounds Please scroll below and read "From the Manufacturer" for more exciting features