Sterling Silver One Sided Small Koala Bear Climbing Tree Necklace Oxidized Sterling Silver Charm Height 15 millimeters (0.59 inches) x Width 10 millimeters (0.4 inches) Charm Weighs Approximately 1.8 Grams (3.6 grams including 18" necklace) Thin Box Chain Thickness 0.7 Millimeters (1/32 Inch) Spring Clasp on Necklace