Sterling Silver One Sided Fire Department Maltese Cross Necklace High Polished Chain with Oxidized Charm Height 20 millimeters (0.79 inch) x Width 20 millimeters (0.79 inch) Charm Weighs Approximately 2.5 grams (4.6 grams including 20" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace