Expert, versatile and boasting an unrivalled color spectrum, the Winsor & Newton ProMarker is a must-have, professional quality addition to your marker collection. With alcohol-based, translucent ink, ProMarkers provide flawless color, stable coverage and no streaking. Professional and adaptable, they're available in a superlative spectrum of 148 blend-friendly colors. They provide streak-free coverage with high quality, dual tip nibs and can be used on ink-resistant surfaces, including acetate, glass, plastic and wood. Details:Available in multiple colorsBroad chisel and a fine bullet nibsAlcohol-based and translucent inkCan be used on ink-resistant surfaces