Finally, Top Line has created a way to get up to a bunk bed in a RV safely and easily. No more standing on perilous perches trying to figure out a way to get up to your bunk. High strength 6063-T6 aluminum alloy, supports up to 300 pounds. No external fasteners visible. Beautiful, finished appearance. No screw heads, etc. Anodized satin finish on rails and steps. Steps are padded to prevent slipping, providing a warm, cushioned feel. Simple rugged construction. All parts finished to avoid snagging clothing, and eliminate any physical danger of cutting or scratching. No slip, no mar bumper pads on bottom of the ladder rails.