Sailor Ink Cartridges - Souboku Nano Blue-Black Carbon


Sailor proprietary fountain pen ink cartridges for on-the-go ease. These high-quality nano ink are produced to create an ultra dark, deep line. 12 cartridges in a pack. Also available in Kiwaguro (Ultra Black), and Seiboku (Ultra Blue-Black).

For a more detailed review of this ink (in bottled form), please check out our blog.