OLFA® Rotating Square Cutting Mats. These Rotating mats are perfect for intricate projects and small spaces. Great for cutting multiple layers of fabric, squares, triangles, circles, diamonds and other shapes that require turning your project or body around.  An OLFA® original, the Self-healing finish reseals surface cuts, providing a continually smooth surface to work on. A three-layer structure and soft cutting surface for smooth cutting that lasts many years. Use with rotary cutters and blades. The mat rotates so you don’t have to. Details & Care: OLFA®  Rotating Cutting Mat: OLFA® Original Technology: Self-healing – ability of the mat’s surface to return to its original shape after being cut. Flexible, 2-piece mat has a non-slip stationary bottom layer with top cutting mat that rotates 360 degrees smoothly. Triple layer mats with a dark green base color and yellow grid lines with imperial grid – easy to see markings. Mats protect your work area and greatly extend the life of your blades. Note: Store flat and out of direct sunlight, Use only with rotary blades, fixed-blade knives may damage mat.