Material:Alloy and pu Leather Adjustable: You can wear at 13.4 to 15.7 inch,There are 5 holes to adjust the size,It can be tightened or loosened like a belt. This is a nice punk choker made of faux leather. Classic choker collar design with spikes and connected chain. Sturdy construction. Easy to match with any outfits WDSHOW jewelry have many years of experience in the product jewelry(such as rings,pendants necklaces,bracelets,earrings,and so on.)We ensure that each of products shoud experience the most stringent quality inspection before sale.Thank you for choosing WDSHOW fashion jewelry.