Royal Blue MolotowMade in Germany, Urban Fine-Art Chalk spray cans contain quick-drying, highly-pigmented, chalk paint with a good UV resistance. It dries to a matt finish and has been designed for temporary application on smooth, non-porous surfaces, such as glass, metal and glazed ceramic. It can be easily removed using water, making it perfect for removable work, however, if you want your work to become permanent you can seal it with Molotow Urban Fine-Art UV-Varnish.