This punk choker necklace is made of faux leather and metals, with good quality and workmanship, it is very soft and comfortable to wear. The width of this faux leather necklace: 0.8 inches (2cm) The collar adjustable range: 12.2 inches ~ 15.7 inches ( 31cm ~ 40cm) The unique punk choker necklaces is perfect for everyday use or for a party, prom, anniversary, Halloween and other festivals, it is a wonderful gift for lovers, friends and relatives.