Winsor & Newton Cotman Artists Portable Solid Watercolor Sketchers 45 Color Portable Half Pans Set Drawing SuppliesAbout this item Winsor & Newton Cotman Water Colours are a range of water colours that are made to our high quality standards but costs are kept to an economical level by replacing some of the more costly pigments with less expensive alternatives. Cotman Water Colours possess good transparency, excellent tinting strength and good working properties. This water color set contains 45 half pans within a compact case with a mixing tray.