Miansai's trio of knife-edged rings is crafted of polished gold-plated brass. Includes a peaked-face ring, a U-ring and a knife-edged band; "Miansai" engraved at the interior surface of each ring. Polished 14k gold-plated brass. Peaked ring: 3mm band width, 4mm face height; U-ring: 3mm band width, 3mm face width; band: 3mm band width (approximately). Made in U.S.. For information about additional ring sizes, please contact our customer service representatives via email at email@example.com or by phone at 888.222.7639.