Description What is a FriXion pen? FriXion by PILOT is the perfect marking pen for sewists and crafters! These erasable pens and markers feature a unique gel ink that reacts to heat, allowing you to mark fabric with precision and easily erase mistakes. Simply rub the specialized eraser tip over the ink, and it disappears through friction-generated heat, leaving no trace on your fabric. Whether you’re making adjustments or tracing patterns, FriXion gives you the freedom to correct and perfect your work—without damaging your materials.