The Cotman watercolour range comes from Winsor & Newton, the company that created water colour. The Cotman range is produced to the same high-quality standards as their Professional range, only using alternate less expensive pigments in some instances to offer greater affordability. Available in 40 colours in 8ml tubes. With 180 years of expertise invested in this collection, the colours maintain high tint strengths, lightfastness and permanence ratings- making this range perfect for those looking for uncompromising quality at an affordable price. Since the greatest expense comes from the source pigments, the more expensive of these are substituted with alternatives to create hues that still provide high tinting strength and transparency. This not only keeps costs down, but also makes for more consistent performance across the range, which can be of great benefit if you are new to water-colours. Painting Sets: Winsor & Newton Cotman Watercolour Tube Set of 12 8ml