The Happy Color portrait block has 20 sheets of thick and stiff paper with a weight of 250g. The surface of the sheets is smooth, but not slippery, which allows for more reliable line drawing, as well as easier shading, e.g. by rubbing graphite.
Renesans Intense Water watercolors have been tested for compliance with the highest quality standards in terms of stability, purity, solubility and light resistance.