These 12 color sets features brilliant liquid watercolor ideal for use in technical, calligraphy, fountain pens and in airbrushes as well as for traditional watercolor. It delivers the same brilliance and permanency as traditional tube watercolors, and is made from the finest artist pigments. Blend and intermix colors while still maintaining the transparency and luminosity of the colors. A dropper bottle allows for repeatedly mixing exact color shades drop by drop for consistent designs and illustrations. This set includes hansa deep yellow, yellow ochre, permanent red, cobalt blue, Indian red, viridian green, burnt sienna, alizarin crimson, sepia, Payne's gray, sap green and burnt umber.