It is recommended to apply Xpress Color on a white or grey primed or painted surface. The color will create light areas on the reliefs; saturated mid-tones and intense shadows in the crevices of the figure.Like all Vallejo products; they are very versatile and can be applied over any color in the range to create soft shading and contouring effects; to create glazes or filters and to blend transitions between color tones.Xpress Color can be mixed together; or can be diluted with Xpress Medium to modify or create new shades.How to use: Apply with a brush; it can also be used with an airbrush.Packaging: Xpress Color is presented in bottles of 18 ml/0.6 fl oz with eyedropper. This packaging prevents the paint from evaporating and drying in the container; so that It can be used in minimal quantities and preserved for a long time.