Self-Healing Cutting Mat. The back has a decorative pink and black fleur-de-lis pattern and those same colors carry over onto the cutting surface. Overall dimensions of the mat are 14×14 inches and the cutting grid measures 13×13 inches. Grid lines are spaced 1 inch apart and there are 1/8 inch increments on each of the edge rulers. Two diagonal lines run from corner to corner for perfect 45-degree angled cuts. This package contains one self-healing cutting mat.