Cricut Self Healing Mat BlueCricut -Self Healing Cutting Mat is a double-sided rotary cutting mat. Pretty up your workspace and keep your fabric cuts clean with this delightfully decorative-but-durable 12-inch x 12-inch self-healing cutting mat. Cricut's Self-healing mat features 1 grid with 30, 45, and 60-degree markings. The ideal size for cutting full widths of fabric right off the bolt. Mat measures: 12 inches x 12 inches.