Abstract: A portable set of stairs for use by a domesticated animal, a small child, or a disabled or aged individual. The stairs have an L-shaped inner core with a lower platform portion and an upper platform portion. A form-fitting, removable cover surrounds the L-shaped inner core for protecting it from soiling and condensation and for providing means for transporting and storing the portable set of stairs. The lower platform portion and the upper platform portion are horizontal with respect to the ground or floor. Both of the platform portions having respective upper surface areas, the upper platform portion upper surface area being greater than the lower platform portion upper surface area. Also provided is a rope or string for dragging or carrying the set of stairs. The rope or string is connected to the form-fitting cover. The inner core consists of deformable material, such as foam.