Pilot Iroshizuku Ink Cartridges

Iroshizuku means "color drops," and Pilot named every ink in this beloved line after a quiet piece of Japan — a flower, a season, a certain kind of weather. These cartridges bring those colors to any Pilot cartridge pen with no bottle or converter required: just pop one in and write.

We carry six colors: asa-gao, a classic morning-glory blue; shin-ryoku, a deep evergreen; murasaki-shikibu, a wild beautyberry violet; fuyu-syogun, a still winter grey; momiji, a brilliant maple red; and yama-budo, a moody wine-red. Every pack pairs beautifully with a Kakuno — it's the easiest way to give a beginner pen a color upgrade.