Sterling Silver Singer Microphone Necklace Polished Silver Chain with Oxidized Charm Height 18 Millimeter (0.71 inch) x Width 7 Millimeter (0.28 inch) Charm Weighs Approximately 2.4 grams (4.1 grams including 16" necklace) Thin Box Chain Thickness 0.7 Millimeters (1/32 Inch) Spring Clasp on Necklace