Sterling Silver One Sided Initial Letter S Necklace High Polished Chain with Oxidized Charm Height 12 millimeters (0.43 inch) x Width 9 millimters (0.35 inch) Charm Weighs Approximately 1.2 Grams (3 grams including 18" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace