The freedom no-pull harness features a Swiss velvet-lined chest strap to help prevent rubbing and chafing behind the front legs. The stainless steel hardware used on the harness will never rust or corrode and the nylon webbing has been tested to pull up to 3800 lbs. It will not break or fray, no matter how hard your dog pulls. The freedom no-pull harness is designed to fit any dog from 14 lbs all the way up to 250+ lbs.