Watercolors are water soluble and are made from natural pigments, arabic gum and water. The principal characteristic is its transparency and luminosity, that allows the diverse colors to overlap neatly. To create the desired tone, mix with a little water. Corrections cannot be made after applied. It is important to use soft brushes and heavy rigid paper.
The paper that is used for watercolors is the Fabriano 6, which is made of cotton and absorbs the watercolors the best .