Canine Friendly Dog Safety Harness, Medium, Steel Grey Protects your dog, yourself and passengers from motor vehicle injuries Crash test certified up to 85-pound at 30 mph Durable 1050D nylon fleece lined chest panel and 2,300-5,000-pound break strength webbing Usable as a walking harness for easy transfer from your vehicle to street Size medium fits a girth of 26.5-31.5-inch and a weight of 25-45-pound