ADCO Truck Camper Cover - Contour-fit RV Cover - 2 year warranty. Front and Rear Cinching System to Remove Slack, Reducing Wear. Attached Nylon Straps and Plastic Buckles Hold Cover in Place. Vinyl Reinforced Front Corners Reduce Wear, RV Cover Measuring Instructions: Do not rely on RV Manufacturer's specs. For a proper fit, measure floor length front to back. Large, 10'-12', 242in L x 104in W x 104in H.