Safety Comes First: The straps tighten up securely so dogs cannot roam the car to prevent dogs from jumping out of the car window or moving around, and there still have some range of movement and flexibility. This dog harness set provides safety for your pets while driving.^High Quality and Comfortable: Durable neck & chest adjustable straps with soft no-chafing sleeves make this your pet's favorite harness. Comfortable & durable fabric: The vest harness is made of breathable and soft martial, with no burden on your pets, he/she deserves the best^Easy to Use and Quick Release: Fast-release buckles on both sides, it is easy to put on and take off. Put it on over dog's head, buckle it up, adjust the straps as you want, then attach the safety belt to D- ring and fasten the seat belt. Start your safe trip with your pets from here^Humanized Design: Instead of collars, a sudden braking will not hurt dogs neck. Because of the humanized design, this harness wraps dogs barycenter, the fully-padded vest can relieve the pressure.^Stainless D ring, Not plastic, it is more safe and durable.^