Wincore Vinyl Window--Brand New in Box...this was left over from our house construction. It's Vinyl, Almond/Earthtone Tan in color, the casing where it slides into the frame is 21 inches by 31 inches.It has a screen on the bottom with a tilt-in bottom window as well.call jason at 321-217-9402 or email at heyunclej@aol.com kentucky