Octopus - Ultramarine Blue Ink Size:3mL Sample Our Classic Explorer fountain pen

Our Classic Explorer fountain pen ink mystery box brings you 7 handpicked ink samples (a generous 3mL each

and Tomoe-style paper

and planning

The Field Folio B5 isn’t just an organizer — it’s a daily ritual in canvas and brass

1 x 18 x 2

Octopus - Ultramarine Blue Ink Size:3mL Sample Our Classic Explorer fountain penOctopus Fluids Ultramarine Blue ("Ultramarinblau") fountain pen ink is a vibrant, lively blue with just the right balance of brightness and depth. Easily fitting into the "business friendly" category, this ink delivers excellent readability while adding just a touch of personality to your writing. Made in Germany, Octopus Fluids inks provide smooth flow, rich color saturation, and an easy to clean, fountain pensafe formula suitable for everyday use.