Add magnetic backing to create removeable bumperstickers. The sticker mounts on the magnet and the magnet mounts on your car. Now you can quickly remove bumper stickers and switch them to different vehicles. Display different stickers at different times for different reasons. Take off stickers from car any time when nexcessary. It's 3" x 11-3/8" and heavy duty (0.030") flexible magnetic material. Sturdy grip will not come off at any speed.