The Kenworth T800 and W900 2007 and newer Aerocab Sleeper Skirts with Extender are made of durable stainless steel. These skirts are 38 inches long and come with two amber LED lights on each skirt. Sold in pairs, they include all the necessary hardware, lights, and harnesses. Designed to fit most Kenworth T800 and W900 2007 and newer makes and models, these sleeper skirts enhance the appearance of your truck while providing practicality and functionality.