A rubber molded article which has a good visibility, prevents medical errors effectively by easily and certainly identifying injector or other containers containing medicinal agents which are used together with colored rubber molded articles, and prevents problems caused by dispersion of coloring agents into medicinal agents without harming the inherent properties of rubber molded articles like sealing performance.A colored film layer 4 is positioned in the interior portion and a transparent resin portion 5 extends from at least one surface of the colored film layer 4 to the outermost layer.
