These ad marker sets contain a palette of colors selected to meet your particular design needs. Designed with the artist in mind, these solvent-based markers have a single nib that produces three distinct line widths. The unique nib shape gives you precise control over each stroke, with the ability to create bold, medium and fine lines. Use on surfaces such as laminates, ceramics, acrylics, paper, vellum and art board. The color blends effortlessly when wet yet will hold and layer well when dry. This marker set is organized in a convenient caddy made of durable plastic. Details:Warm and cool grays25 markersColor-coded barrel and capXylene-basedNontoxic