Pilot FriXion Ball Slim Retractable Erasable Gel Ink Pens,Extra Fine Point, - 0.38 mm - Black/Blue/Red Ink- Value Set of 3 Combines the convenience of a retractable with the incredible FriXion erasable gel ink Erase and rewrite repeatedly without damaging documents - Eraser is at the top of the pen, tip is retractable by pressing clip down Unique Thermo-Sensitive gel ink formula disappears with erasing friction