Chalk marker for non-permanent design, decoration and labelling of closed surfaces, e.g. windows, dark boards, glass, plexiglass and mirrors. Highly opaque, odourless, water-based liquid chalk. Can be wiped off almost all closed surfaces with a damp cloth. Round tip. White plastic barrel with plastic cap in writing colour. Line width: 1 - 2 mm. Writing colour: metallic blue, metallic green, metallic violet, metallic pink.