"This specially designed Permapro Class A RV cover provides maximum protection from rain, snow, dirt and sun to keep your RV in good condition all year long. Polyester ripstop fabric repels water and dries quickly. Air vent system reduces wind stress and inside moisture. 4-year limited warranty. Overall dimensions 318in.L x 102in.W x 106.50in.H. Top Layer qty. 1 ply, Cover Height in. 122, Product Style 5th Wheel, Zippered Access Yes, Dimensions L x W x H in. 318 x 102 x 106.5, Fits Length ft. 23-26, UV Inhibitors Yes, Side Layer qty. 1 ply, Material Type Polyester ripstop fabric, Elastic Corners Yes, Air Vents Yes, Tie-Downs Included Yes, Storage Bag Included Yes. Easy installation No need to crawl under the RV to put this cover on Zippered panels provide ladder-free access to RV doors and storage compartments Custom fit with adjustable front and rear tension panels and elasticized hem corners keep cover snug Tension panels reduce cover's stress and are easy to adjust by integrated strap attachment and a weighted toss bag system Height is measured from ground to roof without AC units Overall length includes bumper and ladder, but not hitch Zippered storage bag unzips and expands, providing 5 inches of additional storage space"