Sailor Pigmented - Seiboku Blue Ink Cartridges (12 ea) bad belted kingfisher “Ocean blue with hints of

“Ocean blue with hints of red sheen

while remaining balanced in the hand

rhodium-plated nib and lustrous rhodium accents

 and many Namiki fountain pens including the Chinkin

Sailor Pigmented - Seiboku Blue Ink Cartridges (12 ea) bad belted kingfisher “Ocean blue with hints ofSailor's Pigmented Souboku ink is a pigmented blue ink that is safe to use in any pen. Despite the fact that Seiboku is labeled as the blue black, the color is actually a lighter blue that Souboku. The pigmentation allows the ink to be incredibly water resistant, as well as contributes to the intense shading and sheening of the ink. As with any Sailor Ink, Sailor Seiboku flows incredibly well. Due to the pigment particles contained in this ink, it is