The Mayerzon No Pull Training Prong Collar in medium size is a high-quality collar designed specifically for training dogs. The black color adds a sleek and professional look while the unique design helps to prevent pulling during walks. Made by the trusted brand Mayerzon, this collar is a must-have for pet owners looking to improve their dog's obedience and behavior. If you have any questions email us and we will get back to you as quickly as possible.