Gluon (Glistening) - 30ml kokuyo Housed in a glass bottle

Housed in a glass bottle with ink residue collecting basin and blotting paper roll included

The Brush Fountain Pen is handmade from copper (body)

This green was created to represent the bamboo green found in its natural surroundings

U series is part of 3Oyster's first 7 colours released as a representation of colours seen in Seoul

Gluon (Glistening) - 30ml kokuyo Housed in a glass bottleColorverse inks are a premium collection from Korea, designed with a focus on quality and attention to detail. Made with plant based solvents and colorants, theyre known for their vibrant tones, smooth flow, and high performance. Your favourite minis from past seasons are now back as standalone bottles! To grab a sample of this, click here.