Ink is pressurized, allowing you to write at any angle for complete versatility. Technology advanced erasable ink allows you to write like a ballpoint pen, yet fix mistakes like a pencil. Produces clean, smooth writing on just about any type of surface. Special Ink Type: Erasable; Pen Style: Stick; Ink Color(s): Blue; Pen Type: Ballpoint. Each pack includes 12 pens. Sold as 2 packs for 24 pens total.