The MONOPIGMENTED set of 12, packaged in cardboard, consists exclusively of single-pigment colors, allowing for clean mixtures and color experimentation. The high lightfastness level of most colors ensures the longevity of artworks. Artists working at home or in a studio who do not frequently travel with their materials can opt for cardboard sets that suit their techniques. The presence of a plastic blister adds convenience to the work process, as the pans have designated places and the spacing between them prevents color contamination. The cardboard case securely holds the package lid and keeps the paints organized. ROSA Gallery Fine Art Watercolour Paints are made of organic gum arabic and premium finely ground organic and inorganic pigments.