Created using choice pigments and a special gum arabic blend, Rembrandt Watercolors are triple-ground to a superfine consistency to produce maximum color clarity and uniform washes even when highly diluted. Set come with 12 Pans, 24 Pans, or 48 Pans and a pure Red Sable brush.. - Rembrandt Artist Watercolors - Set of 24 colors, Pans