Ka-Ku Fountain Pen Ink - Yukige-no-Viridian TWSBI Holds MD Notebook

Holds MD Notebook

with it's yellow gray colored base

feather-resistant

Two pen loops (butterfly-stopper) that keeps the cover closed when a single pen is inserted through both

you need strong

Ka-Ku Fountain Pen Ink - Yukige-no-Viridian TWSBI Holds MD NotebookKa ku, which is Japanese for write, is a Japanese retailer and brand that hopes to make customers daily lives more fun through their curation of writing instruments and inks. In 2023, Ka ku began developing original fountain pen inks including inks that can be mixed together for endless ways to play. 18ml bottled fountain pen ink Suitable for writing with fountain pens, dip pens, glass pens, and other ink pens.