The Holden necklace is made from our thick rounded link chain, fastened with a with a toggle clasp. We use our Large Hamilton Locket as the focal point of the necklace.  * Heart Locket opens * Material: Brass * Plating: 10K Gold * Chain has a clear protective coating to prevent from quick wear and tarnishing. * Chain links measure: 20mm long x 12mm wide x 3mm thick * Available in the following Lengths: 16", 18", 20", 22", 24" Our jewelry is always handmade from sustainable materials in the USA.