The Mission Liquid Chalk Markers are fantastic for use on all types of dry-wipe markerboards. These pens provide a colourful alternative to traditional dry wipe markers. The liquid chalk markers are non-toxic, water based, odourless and provide vibrant colours that can be simply wiped away. Each pack contains 8 differently coloured markers, and every marker is fitted with a reversible nib that can be set to either bullet or chisel. The pens can be used to write on all non-porous surfaces. Mission Dry Wipe Markerboard Liquid Chalk Pens. Perfect for use on the Mission Black Drywipe Marker Boards. Each pack contains 8 Pens. Colours: Mixed Mission – Liquid Chalk Pens – Dry Wipe – Pack 8 – Colours