Writes smooth, erases clean. Erase and rewrite repeatedly without damaging documents. No wear or tear! Combines the convenience of a retractable with incredible FriXion erasable gel ink. Unique thermo-sensitive gel ink formula disappears with erasing friction. Eraser is at the top of the pen. Tip is retractable by pressing clip down. Refillable. Package contains three pens in three colors: black, blue, and red.