The Octopus Sheen fountain pen inks in this collection are water-based dye-based inks. The special feature of these inks is the so-called sheen effect, which makes the writing shine in a colour different from the base colour. This is made possible by a very high dye content.

• Octopus Fluids Sheen Ink
• Water-based, dye-based 30ml ink bottle
• Witch (Green + Purple Sheen)