Archival colours were specially selected for their colour mixing versatility. The permanence of the binder is as important as the permanence of the pigments used in artists paints.Paintings done with Archival Oils do not become brittle as they age because the oil binder has been modified, using a patented process developed by Chroma. The features of the new Archival include freedom of choice - oils that allows artists to paint in any way they choose, faster painting, oils that dry quickly & have little odour. 24 individual colours. Colours displayed onscreen on our website are representative only and the actual colour may differ slightly.Series 1 $34.95, Series 2 $46.95, Series 3 $52.95