The Winsor & Newton Cotman watercolors brush pen set is designed specifically for use when you're outside of the studio. Inside, you'll find 12 high-quality, vibrant Cotman colors and a brush pen with its own water reservoir. Set contains Payne's Gray, Lamp Black, Chinese White, Lemon Yellow Hue, Alizarin Crimson Hue, Ultramarine, Burnt Sienna, Yellow Ochre, Sap Green, Viridian Hue, Turquoise, Dioxazine Violet . The ergonomically designed brush pen has its own water reservoir with a precision, synthetic tip that feels like your favorite paint brush. Set is pocket-sized with comfortable, rounded corners and contains a mixing palette inside the lid.