Uni-Ball Magik Girl 0.7mm Erasable Rollerball Pens x 5 + BUY 2 GET 3rd FREE !
2 x Black, 2 x Blue, 1 x Red. The Uni - Ball Magik like the Pilot Frixion, uses Thermo Sensitive Ink which can be erased by heat, you write, you erase, you are then ready straight away to write again, no waiting for Tipp-Ex to dry etc.