The Artistic Edge Standard Cutting Mat 15in x 15n is recommended for cutting thicker materials in the Artistic Edge that could shift or curl. The Artistic Edge Standard Cutting Mat 15n x 15n is great for template materials. The Artistic Edge Standard Cutting Mat 15n x 15n has grid lines to help you position the materials you want to cut. The Artistic Edge Standard Cutting Mat 15n x 15n is for use with the Artistic Edge Cutter 15..