Board and flip-chart marker, colour assortment, blue, red, black, green, pack of 20. Supplied = assembled. Scope of delivery = 5 x blue, red, green, black in each pack. Product type = board/flip-chart markers. Can be used for both whiteboards and on flip-chart paper. The ink (on an alcohol basis) can be dry wiped off whiteboards. With a round tip, allows line widths from 1.5 - 3 mm.