One touch button. Push the button forward - to secure the rope for easy towing; push the button forward again - the rope automatically retracts and can also be adjusted in length. Selected ropes. Strong and durable, not easy to tear off. Comfortable handle design. Conforming to the design of human hand comfort grip, long time holding hands will not be tired or sore. Metal buckle. High quality galvanized buckle, strong and durable. Material: plastic shell, nylon rope, metal lock. Suitable for dogs weighing up to 10 kg.