30ml bottle of Blackstone Ink from their "Colours of Australia" collection.
Blackstone Daintree Green fountain pen ink is a deep, rich green ink inspired by the deep, rich greens of the Daintree Rainforest in north east Australia. Covering 12,000 sq km, the Daintree Rainforest is the largest, contiguous area of tropical rainforest in Australia.
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.