Artline 19 INDUSTRIAL BLACK Markers have the brightest ink to ensure that anything you write stands out and pops out of any situation. Artline has a non-offensive low odour , xylene based ink, waterproof and provides dense bold colours with quick dry. Suitable for use on cardboard, wood, steel, glass and non-porous surfaces. Artline markers offer a fun and contemporary design with leading functionality. it is highly recommended to use a high-performance Artline 19 Permanent marker. The Artline 19 Permanent Markers an ergonomic shape, smooth and gleaming aluminium barrel design for comfortable grip. This Black Colour Markers feature a 2.0 and 5.0 mm wide lines for smooth flow from the beginning to the end.