Bottom plate is made bare aluminum with bend to add rigidity and to avoid your windshield vibrating and scratching your UTV hood like any others. Upper windshield made of UV resistant and bulletproof clear “Lexan” polycarbonate. not cheap plexiglass or acrylic! Will not break or crack. guaranteed! Rubber gasket included to protect your hood. CAD designed and CNC cut. A rubber gasket is included to protect your vehicle's hood and give a better fit. Upper bend design for maximum rigidity. Stainless steel hardware. instructions included. no drilling required. Windshield for Polaris Ace. www.canadawindshield.com