Sterling Silver One Sided Insect Ant Necklace Polished Silver Chain with Oxidized Charm Height 21 Millimeter (0.83 inch) x Width 16 Millimeter (0.63 inch) Charm weighs approximatley 1.8 Grams (3.5 grams including 16" necklace) Thin Box Chain Thickness 0.7 Millimeters (1/32 Inch) Spring Clasp on Necklace