Pilot® FriXion ColorSticks Erasable Gel Pen, Stick, Fine 0.7 mm, Assorted Ink and Barrel Colors, 36/Pack (PIL58002) EachLets you write in vivid color. Modern and slim design with a non slip grip. Erasable gel ink pens write smoothly and erase cleanly without any wear and tear to the paper or messy eraser shavings. The heat generated by erasing FriXion causes unique thermo sensitive ink to become clear so the writing disappears from the page, allowing you to erase and rewrite repeatedly without damaging documents. Eraser on a clear, non rolling cap for ease of use.