Sailor Pigment Ink Sei Boku

Ultrafine pigment ink developed by Sailor.
It is hard to be clogged and realizes the same comfortable writing feeling as dye ink. It is hard to bleed and strike through, so it can be used widely from illustrations to official documents.

[Features of ultrafine pigment ink]
◎ It is resistant to water and does not easily bleed.
◎ Difficult to strike through.