Model color has been formulated with permanent pigments for fine arts; all colors are completely lightfast and opaque The consistency of Model color allows for an extremely smooth and uniform paint film, with no trace of brushstrokes The water based formula of Model color has been specifically developed for adherence on difficult surfaces such as metal and plastic Each bottle measures about 3 inches high. Vallejo Paints colors brush on smoothly, and cover large surfaces easily and without showing brushstrokes. Their texture makes them equally perfect for minuscule details or miniature artwork. All the shades dry to a mat and opaque finish except for the metallic and transparent colours. The transparent colours render a brilliant finish, tint the surface but do not hide woodgrains or other characteristics. On models, they are applied directly for the tinting of headlights and signal lights; diluted with Mat Medium, these colours are ideal for tinting airplane or car windows (smoked glass). The application of a coat of transparent colour over the same mat colour gives an extra brilliant special effect.Model Color can be diluted with water, and all colours can be mixed with one another. The product does not contain solvents and is not inflamable. Colours do not contain lead pigments, nor ingredients harmful to health. Errors can be corrected inmediately with water, or with a small amount of alcohol. Once the paint has dried. It is waterproof and permanent. Model Color is presented in a 17 ml. plastic bottle with eyedropper. This packaging prevents the paint from evaporating and drying in the container. It can be used in minimal quantities and preserved for a long time.