Popular 12in x 12in green exclusive rotating self-healing professional quality rotary mat rotates 360º smoothly, eliminating the need to move your body or your project around. It's simple to use, just cut, rotate mat, and cut again! Non-slip back for stable and safe cutting and light-weight to take along to class. Easily make 30º, 45º, 60º and 90º cuts. Rotary mats protect your work area and greatly extend the life of your rotary blades. Good For: protecting cutting surfaces, protecting your rotary blades, and for making triangles, squares etc.