Winsor & Newton-Cotman Watercolours. A range of water colours that are made to our normal high quality standards but costs are kept to an economical level by replacing some of the more costly pigments with less expensive alternatives. The range consists of forty colours in tubes and pans which possess good transparency, excellent tinting strength and good working properties. This package contains one 8mL tube of watercolour paint. Available in a variety of colours: each sold separately. Conforms to ASTM D4236. Imported.