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

Dark, dramatic, and waterproof — Sailor Souboku is the ultimate blue-black pigment ink.

The Sailor "Souboku" Fountain Pen Ink Cartridges deliver a rich dark blue-black pigment ink formulated for permanence and depth. Souboku (蒼墨 — "Blue Ink/Blue-Black") is prized for its water and fade resistance, making it ideal for important documents, correspondence, and daily writing where longevity matters. Compatible with the Sailor Fude De Mannen and most standard fountain pens.

Product Highlights

• Dark Blue-Black Pigment Ink — Rich, dramatic colour with excellent depth and character
• Waterproof & Fade Resistant — Pigment formulation stands up to water and time — ideal for archival use
• Sailor Precision — Crafted by one of Japan's most prestigious pen and ink makers
• Standard Cartridge Format — Fits Sailor pens and most international-standard fountain pens
• Perfect Pairing — Especially beautiful in the Sailor Fude De Mannen calligraphy pen

Specifications

• Ink Name: Souboku (蒼墨)
• Colour: Dark Blue-Black
• Ink Type: Pigment (waterproof, fade resistant)
• Brand: Sailor Pen (Japan)

Made in Japan — Authentic Japanese craftsmanship, delivered to your door in Australia.

Free delivery on orders over $100  |  Secure checkout  |  Loved by stationery fans across Australia