Write, erase and rewrite using these Frixion pens from Pilot.  The smooth thermo sensitive gel ink disappears with friction. Simply use the rubber tail tip on the pen and erase without any residue or tearing of paper. Barrel is equipped with an ergonomic grip. This package contains 6, 0.7 mm fine point pens. Please note: This product is not recommended for signatures, examination papers or official documents. If pen is exposed to extreme heat (>=60ºC), the ink will disappear. To restore color, cool to at least <-10ºC in freezer and ink will reappear. Colours: black, blue, red, purple, pink, turquoise Point: Ballpoint, 0.7 mm