Bestop 76303-35 Black Diamond Supertop for Truck Bed Cover for 1997-2017 Chevy Silverado/GMC Sierra 1500/2500/3500, 6.5' bed Uses same premium fabric as our Supertop for Jeep CJ and Wrangler with zip-out side panels; optional tinted window kits available Improved frame and hardware for easier installation and operation Uses Bestop's original BeltRail attachment system for secure mounting Supertop for Truck designed for both protection of cargo in the bed, but with easy collapsibility of convertible top Two-year limited warranty. Corrosion-resistant frames and hardware with quick bow releases