The Easy Step II Pet Stair has wide, deep steps to give smaller dogs the ability to get their entire body on each platform and large dogs the ability to comfortably climb the stairs. The innovative incline of each step reduces the amount of stairs needed to climb eliminating stress on your pet. The carpet tread removes easily and is machine washable. The stair easily snaps together (no tools required). Made of HDPE Plastic. 22"L x 16"W x 16"H Weight: 9 lbs. Wider and deeper stair landings for small and large dogs. Carpet tread removes easily and is machine washable. Rubber grippers on bottom keep step secure and in place. Snaps together very easily. Step height 5". Top step depth 12.25", 2nd step depth 11.5".