The Suitcase Trifold AS Ramp – our largest portable ramp, is offered in sizes ranging from 5- to-10-feet in length. Ideal for raised landings, steps, or larger vehicles. The portable tri-fold ramp features a unique 3-fold design, an applied slip-resistant surface, self-adjusting bottom transition plates, for easy conversion from ramp to ground, and can be separated into two individual sections.