Artline 725 Permanent Markers have the brightest ink to ensure that anything you write stands out and pops out of the Board. Artline has a non-offensive low odour and provides dense bold colours with quick dry and xylene free. Suitable for use when you need to write super fine Permanent line.. 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 aluminium barrel design for comfortable grip. This Black Colour Whiteboard Markers feature a 0.4 mm nib for smooth flow from the beginning to the end.