Sterling Silver Oxidized 3D Barbell Dumbbell Weight with Polished Box Chain Necklace Oxidized Sterling Silver Height 9 millimeters (0.35 inches) x Width 20 millimeters (0.79 inches) Charm Weighs Approximately 2.6 grams (5.1 grams including 24" necklace) Thin Box Chain Thickness 0.7 Millimeters (1/32 Inch) Spring Clasp on Necklace