Gel ink is smoother, more vivid, plus more water- and age-resistant than ballpoint ink.

Fine : 0.5mm
Medium : 0.7mm

Red
Blue
Black

Retractable erasable pen that allows to write, remove and rewrite without correction tape
Thermo-sensitive gel ink which disappears once it reaches a temperature of more than 65°C
( Not recommended to use on legal or official documents and examination )