Color: Straight Glossy Women's Ring 3mm (about 3G), Straight Glossy Man's Ring 4mm (about 4G), [Opening] Straight Glossy Ring 3mm (about 2G), [Opening] Straight Bar Glossy Ring 4mm (about 3G), [Opening] Straight Bar Glossy Ring mm (about 4G), [Opening] Straight Bar Glossy Ring 6mm (about 5G)