Staedtler whiteboard markers are ideal for school, office or home use. This compact pen size marker is easy to hold and gives better control when writing. The ink is fast drying and can be cleanly erased from most non-porous surfaces. These whiteboard markers have a firmly locked tip that results in clean clear writing every time. Dry safe ink means these whiteboard markers can be left uncapped for days without drying. They also feature an automatic pressure equalization.