Sterling Silver Double Sided Diver Swimming Flipper Necklace Oxidized Sterling Silver Charm Charm Height 16 Millimeter (0.63 inch) x Width 7 Millimeter (0.35 inch) Charm Weighs Approximately 1.0 gram (2.7 grams including 16" necklace) High Polished Box Chain Thickness Approximately 0.7 millimeters (1/32 inch) Spring Clasp on Necklace