Cotman Water Colour us a popular watercolour made from selected pigments for watecolourists looking for an economical choice.Cotman water colours offer a range of colours that are made to our high standards, but are kept to an economical price by replacing some of the more costly pigments with less expensive alternatives.The range of 40 colours all possess high levels of permanence with good transparency and excellent tinting strength.This large set contains 45 Cotman water colour half pans covering the full Cotman range with extra half pans of the most popular colours.