Strong magnet that attaches to the vehicle's bumper. Easy to place and remove. Dimensions measure 4" x 3.5". Just simply attach any of Spy Spot's stickers or flag decals to the magnet and attach to bumper of vehicle. Color of magnet should match the color of the vehicle's exterior. Border can be cut so it fits to size. Magnet can also be placed on refrigerator or other metal surface. Alcohol pad included to clean magnet prior to placing sticker.