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