O18k Gold Filled Classic Paperclip Chain * Metal : 18k Gold Filled * Link size: 4.5 mm wide x 14mm long * Available sizes: 16, 18, 20 and 22 inches. * All sizes features a 2 inches extender for layering adjustment. * Weight: 16 inches -  8.1 grams *              18 inches - 8.9 grams *              20 inches - 10.2  grams *              22 inches - 10.6  grams * Hypoallergenic jewelry - Nickel Free * Water resistant * Rigorously manufactured under CA Prop 65 and EU standards * Made in Brazil forever in perfect condition.