These Artliner pens are a fine line pen perfect for sketching, outlining and coloring fine details. Ideal for smudge-free use with alcohol markers, mixed media, over coloring, doodling and detailing. These pens come with a unique additional brush nib for detailed coloring and lettering. Features various line widths and colors. Made with quality micro-pigment inks. Light-fast and waterproof. Features quick-drying and smudge-free ink. Spectrum Noir is a growing range of alcohol and watercolor mediums which have been designed to suit beginner colorists, students and artists alike. For high-quality, affordable and vivid colors, Spectrum Noir is the brand for you.