R&L Racing Tri-Fold Soft Vinyl Tonneau Cover 04-13 14 F150 SUPERCREW/Mark LT 5.5 ft 66" Bed Fits:2004-2014 Ford F150 ( Super Crew / Crew Cab ) Fleetside / Styleside 5.5 Ft ( 66" ) Short Bed Models Without Ford Track System ( Will Not Fit Stepside / Flareside ), 2006-2008 Lincoln Mark LT 5.5 Ft ( 66" ) Bed Models Without Utility Track Tri-Fold 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