The Budge Premier Class B RV cover is made out of a long lasting 300 denier polyester material. The heavy duty RV cover provides all-weather protection for your RV or motorhome. Cover is 100 percent waterproof, with an added DWR coating for ultimate water protection. This RV storage cover is also manufactured with taped seams to ensure that no moisture penetrates through to your RV. The cover has full height zippered panels that allow complete access to your RV while it is covered. Air vents are strategically located on the top of the cover to prevent air billowing. This recreational vehicle cover has a unique and adjustable design to ensure a tight fit. Cover includes a tie down rope system for extra security and elasticized bottom corners for fast and easy fitting. Free storage bag included.