The erasable Frixion 3 in 1 is a unique gel pen that contains 3 colours of thermo sensitive gel ink. The heat generated by friction when rubbing the paper with the special tip turns the ink invisible. With no damage to the paper, you can erase and instantly re-write over your mistakes. Featuring a sleek barrel design and 3 colours in 1, it is convenient for home, school or work. NOTE: Do not use Frixion on legal documents, cheques or when writing exams. 0.5mm extra fine tip. 3 colour Black, Blue and Red ink. Refillable with Pilot Frixion 3 in 1 LFBTRF-30EF refills.