supertraX Pet Gear Stramp Stair and Ramp Combination for Dogs/Cats, Easy Step, Lightweight/Portable, Sturdy, Easy Assembly (No Tools Required) supertraX mat is soft, protecting pets' paws and removes for easy cleaning Rubber grippers on bottom keep step secure and in place Easily snaps together; no tools required ; For pets up to 150 lbs Light-weight; easy to move from room to room. Step height- 5 Inch from floor