Pilot Frixion 6 Color Eraser Value set ( 3 Items) Total 12 Pens + Frixion Eraser Value Set Unique Thermo-Sensitive gel ink formula disappears with erasing friction Combines the convenience of a retractable with the incredible FriXion erasable gel ink The eraser only for friction was attached the sake [ when you would like to erase broadly Erase and rewrite repeatedly without damaging documents - Eraser is at the top of the pen, tip is retractable by pressing clip down