Sterling Silver Double Sided Female Runner Necklace High Polished Chain with Oxidized Charm 17 Millimeters x 12 Millimeters (0.67 inch x 0.47 inch) Charm Weighs Approximately 0.7 grams (2.8 grams including 20" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace