PART #14941 '68-'72 Chevy II/Nova POLYCARBONATE Quarter Windows, 1/8" Std. Specify is want these cut to stock size if the factory trim will be used or oversized flush if not. Some minor trimming may be needed for proper fitment. POLYCARBONATE WINDOWS ARE CUT TO ORDER OUT OF FLAT SHEETS AND ARE NON-RETURNABLE. If you have any questions call 800-822-3392.