Sterling Silver One Sided Small Cello with Bow Necklace Polished Silver Chain with Oxidized Charm Height 18 millimeters (0.17 inch) x Width 8 millimeters (0.32 inch) Charm Weighs Approximately 2.2 grams (3.9 grams including 16" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace