Write, erase and rewrite using the Frixion Needlepoint pens from Pilot.Fine needle point pens with smooth thermo sensitive gel ink that 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. Available in black, red, blue, green, orange, purple, pink, turquoise, light green and brown. Please note: This product is not recommended for signatures, examination papers or official documents. If pen is exposed to extreme temperatures (<-10°C; >60°C), the ink will disappear. To restore colour, cool to at least <-10°C in freezer and ink will reappear.