Robert Oster Australis Ink Bottle Australian Opal Pink, 50ml

Robert Oster Australis Ink Collection

Inspired by Australia’s natural beauty, the Robert Oster Australis Collection features colours that reflect the gentle tones, earthy warmth, and understated elegance of the continent. Each ink captures a unique expression of the Australian environment — from soft neutrals to grounded, organic hues.

Crafted in South Australia, these inks offer smooth flow, subtle shading, and a refined palette suited to both everyday writing and thoughtful creative work.

A drink for your pen.

The Remarkable Robert Oster

Robert Oster is a South Australian colour creator whose inks reflect his passion, creativity, and deep connection to the Australian landscape. His colours are known worldwide for their beautiful shading, reliability, and expressive character on the page.

Robert Oster Signature Inks are handmade in Australia, inspired by the colours of the continent. They are presented in recyclable 50ml PET bottles, manufactured in Australia's first carbon neutral plastics plant. All Robert Oster inks are 100% Australian made and non-toxic, created with care for both the writer and the environment.

Based in South Australia, the same state as Pencraft, Robert Oster’s work continues to inspire writers, artists, and collectors around the world.