Adjustable Martingale Dog Collar
The Majestic Pet Products Martingale Collar is highly recommended by trainers and can be used with a leash or by hand. The Martingale Collar will tighten when pulled and then relax when pulling stops, which prevents the dog from backing out or escaping from his collar. Materials: Nylon Recommended Sizing: 10-16: 10-45 lb dog 14-20: 40-120 lb dog 18-26: 100-200 lb dog