JOTW Goldtone Round Square Medusa Pendants a 24 30 Inch Box Chain Necklace- 2 Piece Set (C-1171) This is a 2 piece pendant necklace set. Box chain measures 24 and 30 inches. Round pendant measures 1.15 inches wide, 1.75 inches long. Square pendant measures .95 inches wide, 1.75 inches long.