Dr. PH Martins Radiant Concentrated Watercolour Set is a great choice for artists that use brush, airbrush or pen techniques. The colours are made from vibrant concentrated watercolour dye inks that are fantastic when used on paper or illustration boards and are used by many designers and illustrators due to the unique colour and ink handling results they yield. These inks are designed for work that will be reproduced, industries such as manga, cartooning, anime, illustration and graphic arts for example. As opposed to pigmented inks these inks are not lightfast and the colours can fade from direct sunlight or ultraviolet however they will not fade from incandescent light. Colours Included: 15B Daffodil Yellow 16B Amber Yellow 17B Tangerine 18B Crimson 19B Wild Rose 20B Cyclamen 21B Ultra Blue 22B Slate Blue 23B April Green 24B Moss Green 25B Olive Green 26B Golden Brown 27B Mahogany 28B Sepia