List Price: $399.99 Deal Price: $345.63 You Save: $54.36 (14%)The Classic Accessories PolyPro III features thick, triple-ply top and single-ply sides that protect against rain, snow, dirt, nicks and scratches for all-season protection. It is designed with an integrated air vent system combined with quick drying PolyPro sides that reduce wind stress and vent inside moisture. Zippered panels allow access to the RV doors and engine areas, and adjustable front and rear tension panels and elasticized hem corners provide a custom fit. This cover fits 40- to 42-foot RVs.Expires Feb 18, 2011