Sailor “Seiboku” Fountain Pen Ink Cartridges | Blue-Black Pigment Ink

Experience the depth and precision of Sailor’s Seiboku Pigment Ink Cartridges, crafted in Japan for fountain pen enthusiasts who demand exceptional quality and performance.

The Seiboku (青墨) ink, meaning Blue Black, is formulated with ultra-fine pigment particles that deliver rich lines with outstanding clarity in a lovely shade of blue-black. Resistant to blurring, feathering, and backstopping, this ink ensures crisp results for writing, sketching, and official documents. Despite being a pigment ink, it flows smoothly without clogging, offering the same comfortable writing experience as dye ink.

Designed for Sailor fountain pens, the ink’s superior longevity and fast-drying formula make it a favourite among professionals, artists, and journaling enthusiasts alike.