Collar Harness And Leash Set help to eliminate harmful choking and discourage pulling while walking. This gives owners 3 different leash attachment points as well, allowing you to find what option is best for yourself and your pup! Both the chest and belly straps are fully adjustable for the perfect fit for small dogs, medium dogs, and large dogs. Our harness is also fully equipped for nighttime safety with a reflective chest strap and reflective trim lining that outlines our harness helping to keep your dog safe anytime, day or night.