With nearly 2X more self-healing material vs. the competition, this 18" x 24" Cricut Self-Healing Mat provides the perfect cutting surface for all of your 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. The 12" x 12" and 12" x 24" reference marks match Cricut machine mat sizes. Not for use in Cricut machines.