Artline Paint Marker is ideal for construction & industrial applications as well as arts & crafts projects. Specially designed for indoor / outdoor use, the permanent paint leaves an indelible, fully opaque, water-resistant & fade-resistant mark on nearly any surface: glass, metal, plastic, porcelain, wood & more. Fast-drying formula minimizes the potential for smears & smudges. Marker is xylene-free & features a 2.3mm bullet tip.