The UniChalk Marker is a non-permanent marker pen, which writes on and is easily removed from chalk boards, windows and other non-porous surfaces, including metal and plastic. With a 1.8-2.5mm line width, these markers use water-based paint to create vivid coloured writing with a medium bullet tip, ideal for creating eye-catching displays. For writing that is weather resistant, but which can be easily cleaned off with a damp cloth, choose a Uni Chalk Marker. This pack contains four chalk markers in red, blue, yellow, white, pink, green, orange and purple.Non permanent marker for windows, chalk boards, metals, plastics and other non-porous surfacesCreates weather-resistant writingGreat for creating vivid displaysMedium 1.8-2.5mm bullet tipBarrel colour: BlackInk colour: AssortedPack of 8DocumentsCOSHH Sheet