30ml bottle of Blackstone Ink from their "Colours of Australia" collection.
Blackstone Uluru Red fountain pen ink is a rich red ink inspired by the deep, red colour of Uluru at sunset. Uluru is technically an inselberg (island mountain), 348m high and 9.4km in circumference, famous for appearing to be different colours ranging from tan to dark purple at different times of the day and year and depending on weather conditions.
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.