This 12-pencil set has combined a high concentration of extra-fine pigments with superb water-solubility to create watercolors in pencil form. Based on the standard colors of the Adof Hölzel’s Double-Primary System, these pencils offer a soft, extra-fine watercolor pencil, 100% water-soluble with immediate effect and optimal transparency. The high-pigment density offers brilliant and vibrant colors. These premium pencils can be used for watercolor, washes, crosshatching, graded applications, and mixed media techniques. The blending possibilities are wide-ranging.