Sterling Silver One Sided Tiny Comedy Tragedy Mask Necklace High Polished Chain with Oxidized Charm Approximately 10 mm x 9 mm (0.4 inch x 0.35 inch) Charm Weighs Approximately 0.7 grams (2.5 grams including 18" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace