[Durable and flexible] The retractable belt made of eco-friendly and durable ABS shell, zinc alloy buckle high strength, suitable for large dogs that can withstand 20 kilograms of tension. your dog enough freedom and at the same time allows you to control it quickly. High quality nylon rope, long service life! [Easy Control] Just press the button with one hand to quickly lock/pause/unlock. The reliable lock allows you to adjust the distance between you and your dog at any time. any time. You can easily pull the dog’s leash away. a comfortable length and walk freely. Protect security pets and other pedestrians. [Special Design] Ergonomic non-slip handle design makes it easy to grip. The specially designed rope has 2 reflective seams, allowing you and your your dog to be clearly visible when running or jogging at night or early in the morning. [Quality; and service] The material adopts high quality soft ABS + TPE material, which has a longer service life. If you have any questions, do