Cutting Mat, 18" x 24"The 18 x 24 inch Omnigrid cutting mat is ideal for larger scale sewing and quilting projects. It accommodates a standard folded width of 45 inch fabric. This mat is a convenient size for sewing and quilting classes, workshops and retreats. It's also perfect for spacious home studios. 1" grid, and 1 8" edge markings and angle line markings on one side for measuring and cutting; the opposite side is unmarked gray that can be used for cuts that don't