This Edding also writes perfectly on other smooth, non-porous surfaces like enamel, glass or melamine. It has a round nib for an even stroke, is quick-drying and lightfast. It's the reliable solution for anyone constantly using whiteboards. Whiteboard marker for writing and marking on whiteboards and also suitable for flipcharts. The writing is dry-wipe able from virtually all non-porous surfaces such as enamel and melamine. The round nib has a stroke width of 1.5-3Mm.