The Cotman Watercolours brush pen set is designed specifically for use when you're outside of the studio. Set contains a compact synthetic water-fillable brush pen & 12 Cotman Watercolour half pans in the following colours: 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.