Genuine Leather Studded Dog Collar, Black, 1.5" Wide. Fits 16"-20" Neck Size Amstaff Very comfortable and pliable. Strong and durable. Features nickel plated buckle and heavy duty D-ring. Studs make collar look really sharp. Real leather trimmed with thick waxed thread. Overall length 23", 1.5" wide, will fit 16.5"-20" neck. 5 adjustment holes. Most suitable for Medium/Large breeds. Please measure dog's neck before you order.