R&L Racing Heavy Duty Snap-On Tonneau Cover 04-07 Chevy Silverado/GMC Sierra Crew CAB 5.8 ft Short Bed Fit: 2004-2007 Chevy Silverado 1500 / 1500 HD / 2500 / 2500 HD / 3500 Crew Cab Fleetside 5.8 Ft ( 69.6" ) Short Bed "Classic Body" Models , 2004-2007 GMC Sierra 1500 / 1500 HD / 2500 / 2500 HD / 3500 Crew Cab Fleetside 5.8 Ft ( 69.6" ) Short Bed "Classic Body" Models ( Will Not Fit Stepside Models ) 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 Limited 30 days warranty from the date is purchased.