Sharpie Pen features a soft grip for added writing comfort and ink that won't bleed through paper. Quick-drying ink prevents smearing and is permanent on paper. Ink is also water-resistant, acid-free, and made of a certified AP nontoxic ink formula designed for paper. Color indicator helps distinguish the ink colors. Sharpie Pen also includes a metal clip, etched with Sharpie logo, so you can attach the pen to notebooks, pockets and more.