FM42 Gothic Rivet Black Leather Spiked Necklace Neckband Choker PN1009 Costume Jewelry. The necklace measures 35-41cm(13.78"-16.14") in length. The necklace measures 3.5cm(1.38") in width. Material: Leather, Alloy. Normally, the transportation time is about 7-15 days.