Artline 100 Permanent Markers have the brightest ink to ensure that anything you write stands out and pops out of the Board. It has a non-offensive low odour alcohol based ink and provides dense bold colours with quick dry. Suitable for use on cardboard, wood, glass and more. Artline Permanent markers offer a fun and contemporary design with leading functionality. it is highly recommended to use a high-performance Artline Permanent marker. The Artline Permanent Markers an ergonomic shape, smooth and gleaming barrel design for comfortable grip. This large chisel nib of the Artline 100 Blue Colour Markers can Mark at 7.5 mm or 12 mm thick and thin lines for smooth flow from the beginning to the end.