OUTPRIZE RV ladder has aluminum construction which makes it lightweight as well as sturdy. The silver coating helps to protect the ladder from different weather conditions. The structure of the ladder is ideal for the rear side of any straight as well as contoured RV. Apart from climbing the ladder to clean the roof, you can hang chairs safely in it when you are going for a campsite. Best Features Aluminum material makes it lightweight. Sturdy construction to sustain body weight. Universal structure for the rear side of all RVs.