OPUS 88 Green Demonstrator with Black Nib《Medium》 red pine and let it's charm inspire

and let it's charm inspire you as you write or create art on this notebook

Made from 100% sustainably recycled stone

This smooth-flowing water-based dye ink is specifically formulated to be safe for all fountain pens

Due to the rapid development of the city

OPUS 88 Green Demonstrator with Black Nib《Medium》 red pine and let it's charm inspireThe Green Demo from OPUS 88 is a traditional dropper fountain pen with a clear acrylic body and comfortable weight distribution for easy writing. The knob at the end adjusts the air pressure and ink flow, controlling ink output and airtightness. The pen body and grip can be easily unscrewed for cleaning and refilling. Based in Taiwan, Opus 88 pens has masterfully engineered their pens to serve in both form and function, as well as reflect the artistry