Paper Mate Flair Porous-Point Felt Tip Pen, Ultra-Fine, 4-Pack, Core Colors (62159) The worlds classic felt tip writing instrument lets you express yourself with true style and color. Quick-drying, water-based ink prevents smearing, and your writing won't bleed through paper. Great for editing. Point Guard tip prevents fraying and extends the pen's life. Click-seal cap with clip prevents dry out. Available in 26 colors with medium tip and 8 colors with ultra fine tip. Nylon point is acid-free, so writing will last a long time without damaging even fine papers.