Clover-Self-Healing Mat. Clearly labeled angle lines of 30, 45 and 60 degrees. Can cut on both sides of the mat. Mat is self-healing. marking go to the edge of the mat for accurate measuring and cutting. Hang tag can be used to store the mat when not in use or can be removed permanently. One inch grid lines. Mat color designed to work better with all fabrics whether they are dark or light. Imported.