FriXion Clicker combines the convenience of a retractable with amazing erasable gel ink. Pilot FriXion gel ink pens allow you to write, erase and rewrite without damaging documents or leaving behind messy eraser crumbs. The unique, thermo-sensitive gel ink formula offers vibrant color and smooth writing. Great for editing documents, creating lists, scheduling, proofing and so much more!. Combines the convenience of a retractable with incredible FriXion erasable gel ink. Writes smooth, erases clean. Unique, thermo-sensitive gel ink formula disappears completely with erasing friction. Erase and rewrite repeatedly without damaging documents. Sold as 1 Dozen.