White Liquid Chalk Pens, 3Mm and 6Mm Reversible Bullet & Chisel Point Chalk Mark
Marker Type Chalk Marker. Easy to erase: The chalk pens can be used to draw beautiful fonts or pictures on almost any smooth surface. You can easily erase the notes with a damp cloth on non-porous surfaces such as glass, mirrors and ceramics but the ink is permanent on porous surfaces like wood.