Cass Art Artists’ Watercolours are an extra fine, professional grade watercolour. Produced using a unique natural formula which results in an incomparable brilliance and smoothness. Made from the highest quality pigments this range maintains an un-paralleled colour strength and brilliance throughout. Each colour also offers the highest possible lightfastness and permanence ratings. Available in a rich, broad range of 28 colours in 10ml tubes, 18 of which are produced from single-pure pigments. Painting Sets: Cass Art Artists' Watercolour Metal Tin 10ml Set of 12 Cass Art Artists' Watercolour 10ml Set of 5   Learn more about paint series prices Stocked in all our stores.