Glass & Ceramic paint is a high quality, water based paint for glass and ceramic. Paints can be found in opaque,metallic and transparent colors. If the desired result is a painted effect, the opaque and metallic colors offer solid color that light does not pass through. Be sure to clean glass before painting. Bake for 20 minutes at 180 ° C or air dry for 21 days. Can be washed in dishwasher's top rack safely many times.