Sailor Pigment Kiwaguro Ink | Ultra Black

Ideal if you're looking for enduring black ink that stands the test of time, Sailor Pigment Kiwaguro (Ultra Black) is your go-to choice. Crafted using Sailor’s cutting-edge nano-pigment technology, this ink delivers deep, matte black lines that resist fading and water—ideal for archival writing, sketching, calligraphy, and more.

The ink flows smoothly from fine to broad nibs and dries to a satin finish, offering crisp, consistent strokes on a wide variety of papers. Packaged in an elegant 50 ml glass bottle wrapped in washi-label design, Kiwaguro combines form and function with its Japanese artisanal heritage.

Key Features

• Nano-pigment formula yields dense, lightfast Ultra Black results with clean, matte finish

• Water-resistant and permanent once dry—designed for longevity and archival quality

• Smooth, well-balanced flow—lay down ink effortlessly, whether journaling or drawing

• Universal compatibility, but recommended regular cleaning to avoid pigment buildup

• Resists feathering and bleeding, even on lower-grade paper like Moleskine—great for demanding copy or sketch paper

Specifications