The Ex-color series is a high quality paint series that uses higher quality pigments and resins than regular 15ml size paints. With a large 50ml capacity, you don't have to worry about running out even when applying a large kit. Ex-Gold is the finest quality gold with the finest particles among Gaia color gold. The color is an elegant color like champagne gold. Eliminates the glaring toy feeling and can be used to express calm, high-quality gold.