This is a pack of 4 Staedtler Lumocolor Marker Pens which are for whiteboards. Writing in ink that can be dry-wiped without leaving a trace, the Staedtler Lumocolor Marker Pen is perfect for use on whiteboards, glass and porcelain. Its low-odour ink dries in seconds, so prevents smudges and smears for left-handed writers. These whiteboard marker pens are each fitted with a sturdy 2.0mm bullet tip (it has passed test ISO 554). They are also airplane-safe, using automatic pressure equalization to prevent leakages on board aircraft.The Staedtler Lumocolor Marker Pen can be left uncapped for 8 hours without drying out and is an exceptionally long lasting, making it ideal for presentations and whiteboards in offices or schools.. Pack of 4