TSUWAIRO [strong color] blue black

Fountain pen pigment ink with excellent water resistance and light resistance.

It does not bleed easily even when wet, and leaves a deep, vivid handwriting.

In addition, it is resistant to light, so it does not fade easily over time, making it suitable for long-term storage.

* Cannot be used with lacquer products, fountain pens for inhalation, and Justus 95.

*Cannot be used with the conventional CON-70N.

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