Petmate Ultimate Travel Harness makes it possible for a pup to enjoy the car while keeping both him & his pet parents safe. The Ultimate Travel Harness is a step-in travel harness with comfort chest padding and has a metal seat belt clip that is adjustable & connects to most car seat belts systems. Adjustable, versatile and convenient, the Petmate Ultimate Travel Harness keeps pets securely fastened in the back seat of a vehicle. Even in the event of sudden braking or sharp turns, pets are anchored and protected. Quick and easy adjustability for dogs of all sizes.