R&L Racing Heavy Duty Snap-On Tonneau Cover 99-14 Ford F250/F350/F450 Super Duty Truck 6.5 ft 78" Bed Fit: 1999-2014 Ford F250 / F350 / F450 Superduty 6.5 Ft ( 78" ) Bed Models Without Ford Track System Hidden Snap Style. Protects truck bed and protects and conceals bed contents. Heavy-duty commercial grade fabric, which is vinyl coated on both sides for perfect weather-proofing Reduces aerodynamic drag for increased fuel mileage. 50% thicker than competitive covers Easy installation; no drilling required, Comes complete with everything needed for installation, including instructions Lifetime Frame Warranty & 3 Year On The Cover