Angry Elephant Hard Tri-fold Tonneau Cover for 1999-2006 Chevrolet Silverado/GMC Sierra 6 ft 6 inch Bed (excluding C/K) PROTECT  Keep your cargo safe from natures harm as well as prying eyes. GENUINE  Marine grade vinyl will stand the test of time and is UV resistant. Aluminum cross bows and side rails keep the cover from sagging. INCREASED MILEAGE  Fuel cost savings of up to 10%. EASY  Installation that requires no drilling. This cover attaches to your bed rail using a quick release clamping system. LIMITED LIFETIME WARRANTY: limited lifetime warranty for the original consumer that warrants the product to be free from material or workmanship defects for the life of your vehicle. Order now and get the quality world's best vendor flares and factory direct pricing.