Create amazing chalkboard-like artwork with the Marvy Uchida Bistro chalk markers. Its ink contains an opaque, water-based pigment that can be erased with a damp cloth. This set includes chisel and broad tip markers, enabling you to draw fine or broad lines while writing or drawing.Details: White Broad tip (6 mm) and chisel tip12 packs (2 markers per pack, 24 total markers)Opaque, water based and pigmentedErasable with a damp clothFor use on whiteboards, lightboards, glass and other non-porous surfaces