Sterling Silver Three Dimensional Swimming Goggles Necklace Oxidized Sterling Silver Charm Height 23 millimeters (0.91 inch) x Width 8 millimeters (0.32 inches) Charm Weighs Approximately 1.3 grams (2.4 grams including 16" necklace) High Polished Box Chain Thickness Approximately 0.7 millimeters (1/32 inch) Spring Clasp on Necklace