The Sailor Pigment Ink Cartridge Souboku is a pack of 12 fountain pen ink cartridges. Souboku is a deep, dark shade of Blue colour pigment Ink. This pigmented blue ink...

The Sailor Pigment Ink Cartridge Seiboku is a pack of 12 fountain pen ink cartridges. Seiboku is a Blue Black colour pigment Ink. This pigmented blue black ink is a...

The Sailor Pigment Ink Cartridge Kiwaguro is a pack of 12 fountain pen ink cartridges. Kiwaguro is a deep, dark shade of Black colour pigment Ink. This pigmented black ink...