Pre-Tested oils contain the finest pure pigments milled in select alkali-refined linseed oil. they offer high chroma, superior tinting strength, excellent adhesion, outstanding working properties, the utmost light fastness, and archival permanence. This set contains 10 colors in 0.81-ounce (24-ml) sample-size tubes of Cadmium Barium Red Light, Cadmium Barium Yellow Medium, Phthalo Blue, Phthalo Green (Blue Shade), Thio Violet, Burnt Sienna, Burnt Umber, Ivory Black, Titanium White, and Yellow Ochre.