30ml bottle of Blackstone Ink from their "Colours of Australia" collection.
Blackstone Barrier Reef Blue fountain pen ink is a lively, bright blue inspired by the beautiful, myriad blue colours of the waters of Australia's Great Barrier Reef, the world's largest coral reef system. A place of stunning beauty and rich biodiversity.
Blackstone fountain pen ink is a high quality, Australian made fountain pen ink formulated from water soluble dyes with no harmful additives and is pH neutral. Blackstone ink can also be used with a stylus or brushes and is ideal for writing, calligraphy, drawing, washes, painting, and airbrushing.