Stick it to the competition with the Window Cling Signs. The temporary 12" x 18" indoor signs can be added to any smooth, non-porous surface for instant advertising and then easily removed. They come with a 30 day warranty and custom sizes up to 50" wide are available. Low-tack micro-suction technology makes them cling instead of stick. These are excellent for advertising sales and promotions that change often on your windows. Use them for car decals, electronic stores, car dealerships and restaurants. Make sure your business hangs around for the long run.