Trying to cut various shapes can have you going in circles — literally. Avoid unnecessary turning of your mat (or yourself) with this OLFA two-piece rotating mat. It has a non-slip, stationary bottom layer with an interlocking top cutting mat that rotates 360 degrees. The mat, made of a special material, heals itself like magic! It s perfect for cutting squares, triangles, diamonds, circles or any shape that requires turning. The mat does double duty: It protects your work surface and extends the life of rotary blades. It s available in two sizes, 12" and 17", and is perfect for projects such as quilting, sewing, cutting out patterns, rotary cutting, general crafting, scrapbooking and more.