The first special edition pen from FriXion®—one of America's top selling erasable pen brands. Innovative, patented Synergy tip delivers wonderfully detailed, incredibly smooth writing and excellent durability. Write smoothly and erase cleanly. Unique, thermo-sensitive gel ink formula disappears completely with erasing friction, so you can write, erase and rewrite repeatedly without damaging documents. Unique pocket clip doubles as the retract mechanism—simply press down the pocket clip to expose and retract the tip. Refillable.