Made in the USA by Jack Richeson, these Casein Colors are of the finest quality for Professional Artists. Durable and long-lasting, casein has been used by cave painters and the Old Masters. It is a made with a milk-based binding agent and dries quickly to a matte finish. Casein has the wash capabilities of watercolor, the opacity of gouache and textures of oil and acrylics. This Color Theory Set of 6 includes: Shiva Rose, Cadmium Yellow Light, Ultramarine Blue Deep, Cadmium Orange, Shiva Green (Phthalo) and Shiva Violet in 1.25 oz tubes.