Dogs My Love Real Leather Studded Dog Collar 15" x5/8" Red Fits 10.5"-13.5" Neck 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 15", 5/8" wide, will fit 10.5"-13.5" neck. 5 adjustment holes. Most suitable for Medium breeds. Please measure dog's neck before you order.