There's no trick to why this herringbone necklace is so popular. Sensational styling in sterling silver. 8.5 mm wide. 18" length.Sterling Silver; Contains 33.80 grams of Sterling SilverMeasures: 8.5 mm wide x 18 inches long x 1 mm highIncludes gift box and drawstring pouchSterling SilverContains 33.80 grams of Sterling SilverDimensions: 8.5 mm wide x 18 inches long x 1 mm highIncludes gift box and drawstring pouch Lobster closure Polished finish Warranty available Korea Imported Product Specifications 0.37 in x 18 in x 0.33 in, 18" length Material & Care Metal, Sterling silver Clean with a soft cloth.