The Artline® 593 Clix whiteboard markers with retractable chisel tips are ideal for use with enamel, porcelain or melamine surfaced boards. These markers feature a retractable mechanism and a handy pocket clip for easy use. The nibs automatically retract when clipped onto a pocket and are made from 50% recycled materials. The ink in these assorted coloured marker pens features a clean and non-offensive low odour.