Rotring Black Drawing ink bottle is a bottle of high-density pigment ink. It is suitable for technical drawing pens with a refillable reservoir, like the Rotring Isograph. Fast-drying, waterproof, and provides excellent line sharpness. It can be used on a variety of surfaces including lineboard, tracing paper, or vellum.
The ink is not for use on skin, and is not suitable for tattoo usage.