Frixion Fineliner marker pens let you write, draw, erase and revise repeatedly without damaging documents. Quick-drying ink won’t bleed through paper. Delivers colorful, crisp and erasable lines in 12 remarkable shades. Unique, thermo-sensitive ink formula disappears completely with erasing friction. Always test your marker in an unseen area first. The colors of markers ordered online may vary from those pictured.