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

Sailor's Seiboku (青墨 — "blue ink") fountain pen cartridges — a balanced blue-black pigment ink in the middle of Sailor's three pigment-ink shades.

Sailor Pen Company was founded in Hiroshima in 1911. The Seiboku is the lighter of Sailor's two blue-black pigment inks (the darker is Souboku): a true blue-black that reads blue in light and black at the page edge. Like all Sailor pigment inks, it's waterproof and fade-resistant once dry, suitable for signatures and archival writing.

What's good about it

• Balanced blue-black pigment ink — readable blue in light, black at depth
• Pigment formula: waterproof and fade-resistant once dry
• Suits formal correspondence, journals and everyday writing
• Fits Sailor fountain pens (Fude De Mannen, Pro Gear, 1911, etc.) and most international-standard cartridges
• Made in Japan by Sailor (Hiroshima, est. 1911)

Specifications

• Ink: Seiboku (青墨) blue-black pigment
• Type: Cartridge, waterproof, fade-resistant
• Brand: Sailor Pen Company (Japan, est. 1911)

Made in Japan.