All of our Fenderskirts are universal and are aftermarket. They may fit and are not limited to RV’s and Motorhomes such as Fleetwood, Winnebago, Forest River, Thor, Skyline, Monaco etc. The S325S is a single axle fenderskirt made of plastic that comes in Smooth Polar White. Sold individually. In stock and available for immediate shipment from both our California and Georgia locations.