The leash automatically extends and retracts at your dog's walking speed. Even if your dog suddenly runs off, you can apply the brake with a one-touch button for peace of mind. You can also fix the leash length at your preferred length. This leash is designed for both dogs and owners to use with peace of mind and without stress. [Product] ・Leash Length: 5m ・Color: Red [Normal Use] When no buttons are pressed, the leash extends when the dog pulls and automatically retracts when the dog stops. [When You Want to Apply the Brake] When your dog suddenly runs and it's dangerous, you can apply the brake with the lock button. [When You Want to Release the Brake] Press the release button to return to normal use. [When You Want to Fix the Leash Length] Extend the leash and press the lock button at your desired length. The length will remain fixed even after you release your finger. The main body is made of lightweight and durable ABS resin. The fixing金具 (fitting) for the harness is sturdy and can firmly secure to the harness. Also, it rotates 360° so the leash won't get tangled. The leash is made of durable nylon. Retractable Leash 5m Automatic Rewind One-Touch Button Brake Function Dog Walking