The MagneticMix™ Links Necklace is the definition of form and function. The magnetic closures give you unique styling options, letting you mix and match different necklaces together. This multistrand chain link and single strand mariner link combo is the perfect solution for packing light. WARNING: Contains magnets which can interfere with a pacemaker. Do not wear or handle magnetic jewelry if you use a pacemaker. Magnetic closures. Dimensions: 20"; 22". 50% brass, 45% zinc, 4% iron, 1% cubic zirconia. Custom designed exclusively for Chico's. Handcrafted with nickel-free metal.