Uni-Ball 8mm Chisel Tip Chalk Marker writes on and wipes off making it the perfect tool for writing on non-porous surfaces such as chalkboards and glass. Perfect for pub, and restaurant signs, its 8mm chisel tip gives you a thick, bold line and is great for large format work and bold hand-lettering. Not suitable for porous surfaces.

• Water-based paint pen
• Works well on non-porous surfaces such as chalkboards and glass
• Writes on and wipes off
• Perfect for pub, and restaurant signs
• Rain-resistant so your message can withstand the elements (within reason)