Tono & Lims Sou (爽) is a blue fountain pen ink. Sou is in the Tono & Lims Fixation Line of pigmented, waterproof inks.
Tono & Lims is a Japanese brand whose inks are a collaboration with South Korean ink producer, Lim's Lab.
- Volume: 30ml
- Bottle Material: Glass
- Color: Blue
- Waterproof