Kimpex Polycarbonate Windshield - High - 21in. - Clear 06-219-02 All Kimpex windshields are manufactured from optical grade Lexan polycarbonate Maximum flexibility at subzero temperatures Every Kimpex windshield has a protective skin on each of its sides for protection against damage All are shipped packaged in a polybag with the PART # on the outside and molded in the windshield Windshield height is measured from the side of windshield at its base to its highest point in a vertical line.