OLFA Rotating Self-Healing Rotary Mat - 12" x 12"Perfect Angles Every Time Self healing professional quality rotary mat Rotates 360 smoothly Simple to use: just cut, rotate mat, and cut again! The OLFA RM 12S 12" Rotating Cutting Mat is unlike any mat you've used. It comes in two parts that fit together and provide a smooth rotation. When you've finished one cut, you can simply rotate the mat instead of moving everything else. Use with your favourite OLFA Rotary cutter and blades. The OLFA rotating