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 - Color and Quick Drying Mediums, Set of 20 Colors, 20 ml tubesHolbein Duo Aqua Water Soluble Oil Color, 20/CLR 20ML SET - This set offers the artist a wide-ranging palette of 18 Duo colors in 20 ml (0.67 oz) tubes including Alizarin Crimson, Cadmium Red Deep Hue, Vermilion Hue, Jaune Brilliant, Lemon Yellow, Yellow Ochre, Cadmium Yellow Light Hue, Viridian Hue, Cadmium Green Light Hue, Cadmium Green Hue, Cerulean Blue Hue, Ultramarine Light, Prussian Blue, Cobalt Blue Hue, Mauve, Burnt Umber, and Burnt Sienna, plus a 50 ml tube of Permanent White. Also included is a 50 ml (1.69 oz) tube of Quick Drying Medium Gloss Paste, which adds body and imparts a transparent gloss finish while dramatically accelerating drying time.