This cover is made of polycarbonate, with a luxury ‘smoke’ finish that renders the Prodector ultra strong and ultra sexy. But above all, it’s very practical and effective. Prodector—the ultimate deck protector.Polycarbonate (PC) is a very strong, impact-resistant, high-end composite. As a yard stick; PC is approximately 250 times more impact-resistant than glass with the same thickness. Indeed, PC is applied in safety goggles, helmets, shatterproof windows, and even bulletproof materials!