Artists' Watercolors are characterized by their rich, free-flowing color, which never leaves any hard lines at the edge of a wash. Their unparalleled performance is a product of precise formulations, based on the suspension of the very finest quality pigments in an aqueous solution of gum Arabic. Only the best pigments, regardless of cost, are used in the manufacture of Artists’ Watercolors.Artists’ Watercolors are formulated to maximise the varying tint strengths of different pigments.