Australian Opal Blue - 50ml colxopus and not a brush tip

and not a brush tip as the name would suggest

a signature fountain pen ink handmade in Australia with a focus on sustainability

Colorverse x Opus 88 Limited Edition

and will hold pens/pencils up to 5mm in diameter

named after the blooming hues of the morning glory flower

Australian Opal Blue - 50ml colxopus and not a brush tipRobert Oster Signature Ink Australian Opal Blue Discover Australian Opal Blue, a signature fountain pen ink handmade in Australia with a focus on sustainability, performance, and vibrant color expression. Non toxic formula safe for everyday fountain pen use Bottled in recyclable PET made at Australia's first carbon neutral plastics facility Produced in small batches to ensure quality and reduce waste Smooth Writing and Rich Expression Flows