This self healing mat provides the perfect cutting surface for your smaller projects. Keep your cuts clean and enjoy more creative cutting options with multi-angled grid lines. Extend your mat life with the extra-thick surface, which prevents blade cut-through.Details:Blue gray12" x 12" mat size6 matsDurable, extra-thick mat with a self-healing surfaceDouble-sided with large, easy-to-read numbers on wide 1" borderReference marks to match Cricut machine mat sizeGrid markings in 1", 1/2", 1/4" and 1/8" incrementsAngle markings for 30, 60, and 90 degreesNot for use in Cricut machines