The Molotow chalk marker basic set 1, 4-8mm nib, Assorted colors, is ideal for temporary applications. These markers are great on nearly any smooth surface - glass, mirrors, metal, slate, plastic, etc. They can also be used for permanent application on absorbent surfaces such as canvas. Markers are highly opaque, water based, and quick drying with replaceable nibs. Available with three nib sizes, 4mm, 4-8mm and 15mm. Colors included: metallic silver, metallic gold, Red, black, white (2 each). made in Germany. Set of 6 markers.