Staedtler Assorted Colours Lumocolor Whiteboard Markers feature a dry safe ink technology which allows them to be left uncapped for days without drying out. Say goodbye to nasty chemical smells that most whiteboard markers produce when used. It is fast drying and low odour alcohol based ink that can easily be dry-wiped from whiteboards. It comes in a convenient stand-up box with 6 assorted colours, ideal for busy teachers.