Epola resin, also known as hard enamel, is the highest quality pin available and can be distinguished by the thin steel lines that divide each color.  Like Cloisonné, Epola uses recessed spots of radiant colored resin and Pantone Shade Matching system colors. A glassy smooth surface is achieved as a result of this process, which reveals small details incredibly. In addition to being an excellent substitute for Cloisonné, it is also incredibly durable