The BIC Intensity Pro Permanent Pen writes like a pen, but is bold like a marker. The 0.5 mm porous point creates crisp, permanent lines and is a great choice for drafting, note-taking, labeling, and other writing activities requiring precision. The ink is smear-resistant when dry as well as water resistant, and it won't bleed through most types of paper.* A professional wrap and sleek metal clip give this marker pen a sophisticated look and feel. *Results could vary based on paper characteristics.