Plaka is a Casein Emulsion paint that dries without build up to a smooth and even surface. It allows you to paint with super opacity and brilliance onto virtually any clean surface, light or dark, including;paper, wood, cardboard, leather, pottery, plastic, wood, rock, and styrofoam. Plaka offers the advantage of drying quickly to a velvety matte paint film that is water resistant and light proof. This milk-based paint is one of the most durable known to man. It traces it roots back over 9,000 years to cave paintings and is extremely stable. Casein makes a perfect underpaint for oil colors allowing for impressive and easy grounds.