The Pentel Chalk Marker Wet Erase is an easy to erase marker with a jumbo chisel tip.The Pentel Chalk Marker Wet Erase wipes completely clean with a damp cloth while its chalk based ink adheres to dry surfaces, retaining its opacity. The Pentel Chalk Marker Wet Erase`s gentle and acid free formula is ideal for use on blackboards, whiteboards, glass, ceramics, metals and non porous surfaces making it perfect for use on menu boards in pubs or restaurants, glass writing, advertising and for student or school use.