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.(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.