Petsfit Wooden 3 Step Pet Stairs Helping pets getting up on the couch and tall bed and perfect for pets up to 150lb Safety side rails let your pet climb with confidence. Easy to assemble, contact seller to get installation process video Wider and deeper stair landings for small and large dogs rubber grippers on bottom keep step secure and in place Dimension :22 x 17 x 20 inch. More details, please refer to the pictures. Good for dogs with short legs and long body. Wide step make it safe for your pet