The heat erasable pen allows you to write on paper, fabric, and erase with heat either by rubbing with the pen's tip or using an iron. This pen features a rubber grip for better writing comfort. Conveniently, the pen's ballpoint is retractable. Gel ink color: black. Tip size: fine 0.7 mm. Rubber grip for better control and writing comfort. Do not use on official documents. When using for the first time, remember to remove the protection on the pen's ballpoint.