Koh-I-Noor Ultradraw Ink is the ultimate Black India ink.

This extremely versatile waterproof drawing ink features an ultra-fast drying time. Ideal for use on paper, vellum, tracing paper and drafting film. Made in USA. Koh-I-Noor drawing inks are made of the highest quality ingredients for a perfect result.

Rapidograph Ultradraw Black Drawing Ink is specially formulated to be non-clogging in technical pens, Koh-I-Noor Ultradraw Waterproof Ink is waterproof, permanent, fadeless, and acid-free. It has a longer open-pen time than most inks, yet dries quickly on the drawing surface.

Ultradraw is a dense black india ink, yet it erases easily. Use Ultradraw for airbrush, dip pens, and calligraphy pens, as well as technical pens.

The ultimate Black India ink; 22 ml-.3/4 oz./0.75-ounce bottle

• Extremely versatile waterproof drawing ink
• Slow drying ink for long open pen time.
• Use on paper
• Made in USA
• Material: Pigment
• Bottle Dimensions: 0.6L x 1W x 3.7H inches