Developed by Holbein to offer the same high pigment quality and archival characteristics of Holbein's Artists' Oil line while allowing soap-and-water cleanup, Duo Aqua Oils are characterized by rich hues, high chroma, and excellent resistance to light. - Holbein Duo Aqua Water Soluble Oils - Compact Set, Set of 10 colors, 10 ml tubesHolbein Duo Aqua Water Soluble Oil Color, 10/CLR 10ML COMPACT - A great choice for plein air painting, this set contains 10 Duo colors in 10 ml (0.33 oz) tubes including Cadmium Red Deep Hue, Vermillion Hue, Cadmium Yellow Light Hue, Cadmium Green Light Hue, Cadmium Green Hue, Cobalt Blue Hue, Yellow Ochre, Burnt Sienna, Ivory Black, and Permanent White.