Walk Your Dog with Fun -- One hand Braking & Locking system allows to freely adjust the dog leash cable to a length where your pet friends feel ease .Tape Extension -- Strong and durable nylon leash extendable up to 8m long with a strong spring for smoothly retracting pet leash.Pet Weight Limit -- Excellent for medium large dogs under 50kg. (Note: Retractable dog leash weights about 385g.)Reliable & Safe Brake System -- Easy to lock and retract. When brake button is pushed, retractable leashes instantly stops and is securely held at exact length. (Please make sure the button is fully pushed back & down for completely locking.)Comfortable Handle -- dog training leash housing designed with ergonomic shape, covered in rubberized anti-slip material. Compact size and comfortable grip!