Molotow Urban Fine Art Chalk Spray Paint, Black, 400ML Can, 1 Each Chalk spray designed for temporary use on virtually any surface - concrete, wood, asphalt and more Paint is dry to the touch within minutes and easily dissolves with water Chalk paint can be made permanent by using Molotow UV matte or gloss clear varnishes with it Each can has a unique Flowmaster Vari-Valve that enables precise lines and widths ranging from 4mm  200mm Colors are fully integrated within Molotow paint system and can be used with nearly all application tools