Paper Mate Liquid Flair Porous-Point Pen, Medium Tip, 12-Pack, Purple (21005BH) Unique liquid ink system provides even flow and smooth marking. Mimics the smooth writing experience of a fountain pen. Quick-drying ink prevents smearing and your writing won't bleed through paper. Free-flowing pen is ideal for use at school, work, home offices or businesses. Translucent barrel provides a window for monitoring the ink supply, so you can easily replace it before it runs out. Set of 12 purple ink pens.