Genuine Artists´ Bronzes, are formulated based on real metal pigments for painting techniques in water-colour/Gouache colours. 5 colours are available: rich gold, rich pale gold, pale gold, copper and silver. Schmincke Genuine Artists' Bronzes contain bronze or aluminium pigments. Therefore they are very light fast, more opaque and more brilliant than other metallic effect colours made of pearl lustre pigments. Only suitable for indoor objects!For glossy metal effects in Gouache- or water-colour paintings on less absorbent surfaces such as paper, cardboard, painting board or canvas (not suitable for gypsum, metal or plastic!). Handling: Mix required quantity of Aqua-Bronzes shortly before application with little water on a palette. Can further be diluted with water. The amount of added water influences the opacity and gloss of the colour.