The heat-erasable pen allows writing on paper and fabric and can be erased 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: red. Tip size: fine 0.7 mm. Rubber grip for better control and writing comfort. Do not use on official documents. For first-time use, remember to remove the protection on the pen's ballpoint.