Promarkers from Winsor & Newton Promarker from Winsor & Newton is one of the world's most popular professional-quality markers, with a particularly strong position in the hobby, design and illustration communities. The marker comes in 189 colours and different sets, and has two tips. One tip is a fine, round tip that is ideal for details and the other is a broad tip. The ink contains alcohol-based ink. For best results, it should be used on bleedproff marker paper.