R&L Racing Heavy Duty Roll-Up Soft Tonneau Cover 04-07 Chevy Silverado/GMC Sierra Crew CAB 5.8 ft Bed Fits:2004-2006 Chevy Silverado 1500 /1500 HD /2500 / 2500 HD / 3500 Fleetside Crew Cab 5.8 Ft ( 68" ) Short Bed Models, 2007 Chevy Silverado 1500 / 1500 HD / 2500 HD / 3500 Fleetside Crew Cab 5.8 Ft ( 68" ) Short Bed "Classic Body" Models, 2004-2006 GMC S Roll-up 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 60 days warranty