The popular 12" x 12" green exclusive rotating self-healing professional quality rotary mat rotates 360o smoothly eliminating the need to more 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. Especially designed for use with rotary cutters. Rotary mats protect your work area and greatly extend the life of your rotary blades.