River of Fire is one of the latest inks in the Robert Oster Signature range. It is a blue green leaving a subtle lustre on the borders. The Robert Oster Signature range of fountain pen inks are inspired by the Australian natural environment. The inks are manufactured in Australia and are non-toxic. Ideal for writing and calligraphy with a palette of vibrant and intense colours. Packaging features a 50 ml bottle made of recyclable plastic making it safe for travel. The long narrow ink bottle design also allows for easy refilling of your fountain pen.