We offer two different varieties when it comes to magnetic letters and numbers. Our 100% vinyl Die-Cut Magnetic Letter & Number Sets are great for schools (teaching tools) or businesses (make your own signs). The Die-Cut Magnetic Letter & Number Sets are perfect for teaching possibilities and to help you get your message across for use indoors and outdoors. While the Self-Aligning Magnetic Letters & Numbers, let you easily set up and change information. These letters and numbers are great for use on Ghost Grid dry-erase boards, indoor/outdoor signs, cars, trucks, lockers, and any other steel surfaces.