Self‑healing cutting mat with a crisp, professional look sized 18" x 12". Printed with essential 30°, 45° and 60° angle guides and imperial measurements for accurate cuts. A 90° indicator shows where two 45° lines meet, plus two parallel 45° lines spaced 2 inches apart to help with bias and triangle cuts. Grey background with high‑contrast yellow lines improves visibility on both light and dark fabrics. Protects your table and extends the life of rotary blades and craft knives.