This pack contains 50 Edding 360 Whiteboard Markers, in an assortment of four colours. These pens are high quality with a round nib that produces a line width of between 1.5-3 mm thick. The ink will easily wipe off almost every non-porous surface, including melamine, enamel and glass. The innovative \'cap off\' technology means that the caps can be left off for days without drying up. . Pack of 50. \'Cap off\' technology . Round nib. Lined width: 1.5-3 mm . Quick-drying. No added butyl acetate . 4 assorted colours include: Black, Blue, Red, Green . Approx. Dimensions (mm) H 182 W 150