Sterling Silver One Sided Granddaughter Necklace High Polished Chain with Oxidized Charm Height 11 millimeters (0.43 inch) x Width 19 millimeters (0.75 inch) Charm Weighs Approximately 1.2 Grams (2.9 grams including 16" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace