Maison Martin Margiela polished silvertone brass Quad ring set. Includes four wide, open-band rings From the Première Collection Underside engraved with brand's signature numerical logo Silvertone brass Rings vary in size; 12mm-13mm band width, approximately Made in Italy For information about additional ring sizes, please contact our customer service representatives via email at webservices@barneys.com or by phone at 888.222.7639.