This Portable Emergency Boarding Ladder is made of high-visibility orange, molded-in polycarbonate with nylon rope supporting the frame. Quickly secured to cleats, railing, stanchions, and halyards. Supports up to 300 lbs. 3-Step Ladder measures 11-3/4"W x 3'10"L overall when deployed. Collapses to only 3-1/2".