Sterling Silver Three Dimensional Dumbbell Necklace High Polished Chain with Oxidized Charm Height 15 millimeters (0.59 inch) x Width 10 millimeters (0.4 inch) Charm Weighs Approximately 3.9 grams (5.6 grams includnig 16" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace