Sterling Silver Double Sided Outline Frame of Buffalo Necklace Oxidized Sterling Silver Charm Height 16 millimeters (0.63 inches) x Width 20 millimeters (0.79 inches) Charm Weighs Approximately 3.0 grams (4.7 grams including 16" necklace) High Polished Box Chain Thickness Approximately 0.7 millimeters (1/32 inch) Spring Clasp on Necklace