18k Gold Filled Adjustable Sizing Necklace. A box chain necklace adjustable to any size up to 18 inches or 26 inches. It is a fantastic solution if you want to be versatile with your pendant's placement.  * Metal: 18k Gold Filled * 0.85 mm Diamond Cut Box Chain * Available in 18 and 26 inches long. * Hypoallergenic Jewelry * Water-resistant * Exclusive design  * Handcrafted in Brazil