FM42 Unisex Leather Punk Rock Gothic Spikes Rivets Choker Collar Necklace With O-Ring PN1012 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.