Pack Size: 4, Colour: White, Nib Size: 1.8-2.5mm (Medium Tip), Chalk Marker writes on and wipes off, Rain resistant chalk pens: Perfect for pub, café and restaurant signs, The Chalk Marker is rain-resistant so your message can withstand the elements, Water-based ink in White, These white chalk markers are good for parties / window displays and notices, Works well on non-porous surfaces such as chalkboards and glass, To remove simply wipe away with a damp cloth or a little mild detergent if stubborn. Not suitable for porous surfaces
