Blue original Kaweco ink in a 50 ml bottle. The bottle has a fun, vintage style.

The Kaweco ink in the colour ruby red is water-soluble, cruelty-free and vegan.

Kaweco Ruby Red ink is a warm, slightly-pinky-hued red ink.

Kaweco ink is compatible with any type of fountain pen. Kaweco converters are particularly suitable for using the high-quality Kaweco inks from the ink glass.