Express yourself creatively and fearlessly with the new erasable FriXion Fineliner by Pilot. You can write smoothly, erase cleanly and revise repeatedly until its perfect, with this incredible new marker pen. Thanks to FriXions unique thermo-sensitive, erasable ink formula, you can write in 10 stunning colors and erase completely without damaging your documents. The durable tip produces vivid, crisp erasable lines. Add colorful, flawless flair to your writing and drawing with the mistake-free FriXion Fineliner. This pack of FriXion Fineliner Erasable Marker Pens contains 10 medium point (1.3mm Tip Diameter / 0.45mm Width of Stroke) marker pens. Each pen is capped with a stylish barrel that matches the ink color. 10 pack contains black, green, blue, purple, pink, red, turquoise, lime green, yellow, and orange. Erasable pens are not recommended for use on legal or official documents. Do not expose to extreme temperatures (<14°F, >140°F). If pen is exposed to temperature that reaches 140°F, the ink will be colorless when writing. To restore color, cool to at least 14°F in freezer and the ink will again write in color.