This decorative Christmas poster makes it look like you have a real Christmas wreath in your window! No more needles to clean up! WOWindow Posters are backlit plastic window posters (34.5"x60") that light up with your interior lights and will amaze your friends and neighbors. Just hang them up in 30 seconds and leave your lights on. Our posters will do the rest! Our posters are the highest quality special effect available for thematic window decorating.