MaimeriBlu Professional Watercolors is a full range of 90 single-pigment watercolors. MaimeriBlu features an absolute purity of pigments that, together with Kordofan Gum Arabic, compose the totality of the mixture. Imperceptible, transparent, clean. No blending powders, and no additives. Nothing harmonizes or synchronizes the shift between the various shades. It is up to the artist's skill to orchestrate and handle different characteristics, particularities and traits. The real value lies in the transparency of its colors and in the freshness of its washes. It is the whiteness of the paper that illuminates this type of painting. The light is behind the color. All colors have the maximum lightfastness. Each Introduction Set includes (5) 12ml tubes of paint in Cadmium Yellow Deep, Quinacridone Lake, Green Gold, Ultramarine Deep, and Payne's Grey. Contents may vary. Conforms to ASTM D-4236. Recommended age 14+ years