These Expo Whiteboard Markers are ideal If you’re in a high-stakes meeting, high-school classroom, or running a university tutorial, if there’s a whiteboard up-front. The ink in the Expo has a non-offensive low odour, non toxic and provides dense bold colours. This ink can be dry wiped from whiteboards and surfaces like glass and porcelain without leaving a trace. It has a Chisel nib for easy writing. The Expo an ergonomic shape and super comfort with barrel design for smooth flow from the beginning to the end. It is available with Black colour ink in this pack.