Because of a common hydro-carbon base binder, Com-Art transparent and opaque colours can be used together without bleeding between colours * Non-toxic, ready to use paint is specifically formulated for use with an airbrush and never needs to be filtered or strained * Heavily pigmented and light fast, allowing for accurate 4 colour separations * Superior atomization, smooth spraying, and they dry instantly * For use on paper and plastic (base coat required for plastic) and not for use on metal or fabric