[Heavy Extended Leash]: This retractable dog leash can extend up to 16.4ft/5m, 360 degree tangle-free, suitable for heavy pets and powerful large and medium dogs weighing no more than 110lbs/50kg. Bring comfort and maximum freedom to your dog under your control. [Reliable and safe one-key locking system]: It features one-handed operation of the brake button and permanent stop function design, one-handed locking technology can operate smoothly, easy to operate, and automatically adjust to the required length of the traction belt to ensure a high safety when walking. [Durable luminous anti-twist rope]: A professional outdoor dog leash. The strong and sturdy shell is made of ABS plastic. The seat belt is made of a sturdy nylon material with integrated reflective strips to improve visibility at night. Using a powerful leveling spring and anti-twist rope, it can be easily viewed from any angle. [Comfortable non-slip handle]: Ergonomic handle and non-slip grip are close to your hand like a glove, which can provide you with a comfortable grip. And your thumb only needs to be placed on the switch button, which is very convenient to use. [Wide range of application]: Long enough length and firmness, suitable for all kinds of large, medium and puppies and other animals. When you are walking, exercising, jogging and camping outdoors, you can control and protect your pets well. It is an ideal choice for dog running pull rope and dog training pull rope. Package Quantity: 1 piece