Pilot Pen-Frixion Ball Color Sticks Erasable Gel Pen. These Pens Allow You To Erase And Rewrite Repeatedly Without Damaging Documents. The Thermo-Sensitive Gel Ink Formula Disappears With The Erasing Friction Of A Rubber Tail Plug Eraser On The Pen. Erasing Leaves No Residue Or Debris. This Package Contains Twelve 0.7Mm Gel Pens. Comes In A Variety Of Colors. Each Sold Separately. Imported.