Koh-I-Noor Trans-Mix Media Pigment-Based Drawing Ink, 0.75 Oz. Bottle, Magenta is a professional-grade transparent pigment-based ink. Waterproof, fast drying ink with a high gloss sheen. Ideal for use with Koh-I-Noor Rapidograph pens and other technical pens, brush applications, airbrushes and dip pens. For use on paper, board, film and vinyl surfaces. Squeezable bottle has spout for easy measuring and dispensing. Made in USA.