- Handy-sized whiteboard marker- With universal locked tip for variable line widths of approx. 1-2 mm- DRY SAFE: The pens can be left uncapped for days without drying up (test ISO 554)- Airplane-safe: An automatic pressure equalization prevents the pen from leaking on board aircraft- Can be dry-wiped from whiteboards and surfaces such as glass and porcelain without leaving a trace- Fast-drying, low odour- With clip- PP barrel and cap guarantee long service life- Available individually in 4 colours and in our stand-up STAEDTLER box