Class A Motorhome Cover: Fits Class A RVs 37' - 40' long, 140" high from ground to roof Cover purchase includes 3-year warranty Bonded DuPont Tyvek fabric top provides long-lasting protection from UV-rays and water; air vents reduce wind lofting and inside moisture Adjustable tension panels and elasticized hem corners provide a custom-like fit while integrated straps and a weighted toss puck system make installation simple. Long zipper pulls reduce the need for a ladder Zippered panels allow for easy access to RV doors and storage compartments; a repair/reinforcement patch is included along with a compression bag for easy packing Durable fabric provides protection from harmful UV rays