Tri-Art's Oil Line is part of the Finest Quality Professional family. The line is comprised of 71 colours and 24 mediums.The colours are formatted to be rich and thick in body. The vehicle is a high-grade, refined sunflower oil to ensure clean, pure colours. Tri-Art's collection of colours contain only the finest artist grade pigments, milled to perfection in order to offer ultimate brilliance and purity of colour. There are C.P. (chemically pure) cadmiums, single pigment, pigment blends, organic, inorganic, transparent, semi-transparent and opaque colours in the line.