These 15 mil thick self-adhesive magnet sheets are perfect for arts and craft projects. They match the paper size used in your computer printer so they are great for making your own home-made die-cut magnetic photo mats. Or, cut them to any size to use in your own project. You can even turn your favorite photo into a magnet by cutting them to the size of your picture! Just peel and stick on the back side of anything to easily make a beautiful decorative magnet.