Our Double domed ring has 2 wide domes. Wear it alone to stand out or to make more of an impact stack it with some of our other ring options. Measurement: 9.5mm wide Material: brass Plating: 10k Gold ONLY Ring has a clear protective coating to prevent from quick wear and tarnishing. Sizes available: 5, 6, 7, & 8 Our jewelry is always handmade from sustainable materials in the USA.