Fill your house with this horde of the undead! The fastest way to decorate your home. Get multiple packs to fill every window in your house! WOWindow Posters are backlit plastic window posters (34.5"x60") that light up with inside lights for the surprise of passersby. Our posters are the highest quality special effect available for thematic window decorating. Just hang them up in 30 seconds and leave your lights on. Our posters will do the rest!