Derwent-Watercolor Pencils. The control of a pencil and the beauty of watercolor. Mix with water to create interesting color flows and stunning watercolor effects. This package contains one 7-3/4x4- 1/2x1/2in storage tin with twelve artist-quality watercolor pencils in Deep Cadmium, Orange Chrome, Deep Vermilion, Crimson Lake, Imperial Purple, Spectrum Blue, Prussian Blue, Mineral Green, Grass Green, Golden Brown, Copper Beech and Ivory Black. Conforms to ASTM D4236. Imported.