The Clix Car Safe harness is designed to give peace of mind while travelling in the car with your dog. It can also be used while walking your dog. It features a 'X-Cross' design with soft neoprene padding covering all points of contact to prevent or reduce injury in the event of a crash. It is made from approved safety-standard seat belt material and has been designed in a continuous loop to give maximum strength. The harness can be securely attached by either plugging straight into the seat belt socket or by sliding the seatbelt through the harness. XSmall =35-65cm/14-25.5 (Yorkshire Terrier/Min. Poodle).