Use this 13 x 13 inch glass cutting mat with your Tonic products and other scrapbook, card making and paper craft cutting tools. This mat will protect your surfaces and give you a clean durable surface to cut on. This mat features an overall 12 x 12 inch grid with a 4.25 x 5.5 inch, 8.5 x 5.5 inch grids and a 6 x 6 inch diagram for every angle from 0 to 90 in 5 degree increments. Imported.