Canine Friendly Vest Harness, Black Vest Harness can be used as a car restraint, non-choking harness and chest protector all rolled into one easy to use device Made from durable nylon outer fabric with a soft fleece liner and nickel plated D-ring Harness connects to seat belts with the seat belt attachment loop, making vehicle safety convenient Soft chest panel eliminates pressure points on shoulders, neck and chest Medium fits dogs 25-45 pounds with a girth of 23-29-inch and a neck of 17-22-inch