This replacement mat for the Glow Ultra is 19×26, it includes the industrys first non-slip textured base. The very durable PVC cutting surface, along with one of the most functional printed grids youve ever seen, will persist through thousands of cuts. The 1/8″ thick mat includes ruler measurement marks with fractions printed next to them, standard craft angles, vertical and horizontal rulers, and a metric ruler. It also goes edge to edge on the Ultra.