Berry Pet Spiked Leather Dog Collar & Harness - Bronze Rivets Studded - Heavy Duty for Medium,Large Breeds Genuine leather,strong and soft enough,with studded solid brass mushroom nail hardware,real leather dog collar and harness for your pets XL :2" wide, Neck for 21-24" Dog Neck Size. Superior workmanship is shown in the beveled and smoothed edges. embellished with individually fastened mushroom nail shaped brass rivets. The solid brass hardware accessories, very classical retro style to show your specially taste on antique handicrafts Complimented by Strong, Solid Brass Hardware, the die cast buckle, and durable welded D-Ring give superior strength. Real brass hardware will develop a rich patina over time adding to the beauty of the collar and harness.