FriXion Erasable Gel Pen allows you to erase and rewrite repeatedly without damaging documents. Thermosensitive, gel ink formula disappears with erasing friction of rubber plug eraser on the pen. Erasing leaves no residue or debris. Pen can write on the same spot that has been erased. Gel/rollerball pen delivers smooth writing gel ink and is not recommended for exposure to extreme temperatures or for signatures, examination papers or official documents where writing needs to remain permanent. Gel pen also earned the prestigious Good Housekeeping Seal. Blue Ink Fine point, 0.7 mm Thermo-sensitive gel ink formula disappears with erasing friction Smooth-writing gel ink Erasable pens are not recommended for use on legal or official documents. Do not expose to extreme temperatures less than 14 degree or greater than 140 degrees fahrenheit If pen is exposed to temperature that reaches 140 degrees the ink will be colorless when writing. To restore color, cool to at least 14 degrees in freezer and the ink will again write in color 3 pens per pack
