DANIEL SMITH Extra Fine Watercolors – classic watercolors of unsurpassed purity and permanence. The vision in the formulation of DANIEL SMITH watercolors was twofold?; * First and foremost, to produce watercolors that are the best in lightfastness and permanence. * Second, to offer a selection of truly unique colors. DANIEL SMITH Watercolors are formulated to meet and exceed the highest industry standards? for the manufacture of artists paints, and every batch made is tested and analyzed for its performance qualities. DANIEL SMITH is truly the worldwide leader of watercolors for artists with 240+ beautiful colors in the 15ml watercolors, the most of any manufacturer?. Many are traditional colors relied upon by all artists, and there are many truly unique colors made only by DANIEL SMITH that have become so important to watercolor artists. PrimaTek Watercolors are made from minerals, often semi-precious minerals, that have been ground into pigments, mixed with gum arabic (the binder) and milled into PrimaTek Watercolors?. The first was Lapis Lazuli Genuine in 1998 since then, many more have been added such as Amethyst Genuine, Piemontite Genuine and Serpentine Genuine. Most of these colors have wonderful granulating effects that some artists have called magical.