Size & Fit - Length: 18" with a 2" extender chain for adjustable length; weight: 10.9 g. A completely customizable charm necklace you'll love. - There's nothing more outfit-making than the perfect charm necklace. This one features a mix of three decorations (including a beautiful vintage-inspired onyx medallion that you'll see throughout our jewelry collection) to wear together, apart or however you'd like. Gold-plated recycled brass, glass stones, cubic zirconia. Imported. Item CF026. Questions? Leave a comment below!