Pet Gear Stramp Stair and Ramp Combination, Dog/Cat Easy Step, Lightweight/Portable, Sturdy Carpet tread removes easily and is machine washable Rubber grippers on bottom keep step secure and in place Easily snaps together; no tools required. Step height - 5 inches from floor Light-weight; easy to move from room to room Measures 28-Inch L by 16-Inch W by 16-Inch H Please scroll below and read "From the Manufacturer" for exciting features