Express yourself creatively and fearlessly frixion colorsticks erasable gel ink pens by Pilot. Thanks to frixion's unique, thermo-sensitive ink formula you can write smoothly, erase cleanly and revise repeatedly without damaging documents. Frixion colorsticks Let you create and re-create in 16 stunning colors, which match the slim, modern ‘non-rolling' barrel design, ideal for everything from color-coding class notes, to keeping paper planners neat and organized – no matter how often your plans change. With erasable frixion colorsticks, you can unleash your creativity and enjoy mistake-free writing!