Kyo-no-oto fountain pen inks are made in Kyoto Japan. They are crafted according traditional Japanese dyeing techniques. The Kyo-no-oto ink colors are traditional Japanese ink colors that has been used since Heian era, roughly 1000 years ago, which are the expression of its rich history and profound culture for a long time.
The two shimmering inks Ruriiro and Ryokuyuiro are not recommended to use in a Fountain Pen.
We’re playing it safe. Due to risks of freezing, from Dec. 1st to May 1st, all cartridges and ink orders will be fulfilled and shipped (as per your request), however we will not assume responsibility for any damages.