- This is an easy-flowing, high-opacity ink with excellent adhesion, suitable for tracing paper, vellum, drawing paper, and line board.
- Ink is smudge-proof when dry. Won't erase with rOtring B20 and B30 erasers.
- It's lightfast and suitable for all forms of reproduction.
- Ink has high color purity. Colored inks can be mixed with one another.