enrgticdg 16Ft Retractable Dog Leash,Light Weight Leash for Small to Medium Dogs/Cats Up to 50lbs,Stainless Steel Spring Strong Nylon Tape, Tangle Free, One-Handed Brake. (Charcoal Black)

1.How to lock/unlock:If you want to lock it at a certain distance, you simply push the button down and pull back just a bit, and the leash will lock. If you want to just stop the dog for a second, you simply push the button to stop the retractable feature.If you want to unlock it, push the big button forward. 2.Tangle-free 360 degree tape movement.16ft tape leash with easy-adjust retraction that allows your canine pal to explore but still remain within safe distance.Simple, practical and comfortable. A ergonomic handle fits in your hand well for those long walks. 3.Extremely sturdy 16ft strap---Under 50 pounds for small to medium sized dogs. 4.Note1:Do not let your dog chewing the leash, If the dog leash has a tear in it, it can easily break. Even a very small dog can break it..If your dog likes to chew on the leash, you will need to equip the leash with a bite proof chain. 5.Note2:Do not fully release the leash when the dog rush forward, the strong impact will damage the spring and internal accessories.It needs to be locked in time.