Based on consumer feedback, Bestop has improved the Supertop for Truck creating the ultimate in flexible storage and coverage for truck beds. The improved design allows for one-person operation and features removable fabric side panels. One person operation from the side of the truck Fully integrated bow system (no loose screws or bolts) Attaches with four clamps (included), NO DRILLING REQUIRED Include front bulkhead bar and tailgate bar for secure installation regardless of bed-liner Made with Heavy-duty Black Diamond fabric (Laminated PVC coated sailcloth that is mildew resistant and UV-protected) Removable and replaceable DOT-approved, tinted rear window panel Removable side window panels Third Brake light is NOT included - If you want the third brake light please order part #576.71P