Dogs My Love Genuine Leather Dog Collar Studded 1.5" Wide, 16.5"-20" Neck Very comfortable and pliable. Strong and durable. Features nickel plated buckle and heavy duty D-ring. Adorned with 1/2-inch diam. metal studs and eyelets. Real leather trimmed with contrast color thick waxed thread. Overall length 23", 1.5" wide, will fit 16.5"-20" neck. 5 adjustment holes. Most suitable for Large breeds. Please measure dog's neck before you order.