Finejewelers Sterling Silver Enamel Butterfly Flowers 12mm Heart Locket Necklace Finejewelers is a reputable American Family owned Business since 1955 and now based in New York, we use the highest quality workmanship and materials, and proudly stand behind all of our products. Metal: 925 Sterling Silver. Dimensions: Width: 12.00 mm Length: 12.00 mm Chain in a matching metal will be included