Edding 360 Whiteboard Marker Set. This pack includes four markers in assorted writing colours: Black, Blue, Green, and Red. The product colour is also Black, Blue, Green, and Red. These markers feature a medium bullet tip with a writing width of 1.5-3 mm. They are dry-wipe markers suitable for whiteboards, flipcharts, magnetic boards, and memo boards, making them ideal for sketchnotes. The markers are refillable.