Safe And Reliable Brake System: One Button Break to lock .When the brake button is pushed, the retractable leashes instantly stops and is securely held at exactly that length.a perfect spring for smoothly retracting dog leash while you will not hurt yourself. Ergonomic TPE Anti-slip Handle is easy and safe to grip, provides enjoyable walking experience with your pets and you don't worry about the dog leash will hurt your hand when the dog run about madly. Upgraded 360° tangle free, durable nylon tape & rust-proof swivel hook. Tough internal coil spring for consistent retraction. One of best dog retractable leash, leash for medium dogs and strong dog leash For walks, jogs or hikes - Great dog leads for walking! 100% GUARANTEE: This dog training leash is made to last. If you have any problems, at any point, you can return it to us for replacement or a full refund. That means you can try it at absolutely no risk to you.