Excellent Construction --- Our breathable chest vest harness and straps are made of double mesh fabric with a flannelette edge to absorb moisture, making the harness breathable and comfortable for your dog. The attachable safety seat belt is made from durable and adjustable nylon straps to help protect your pet. | Comfortable Design --- Lightweight, breathable fabrics and construction make it a pleasure for your dog to join you on adventures. The harness is highly adjustable and fits a wide variety of vehicle seats in seconds. The kit’s seat belt length also allows your dog move in the back seat and lay down. | Safety --- The harness wraps securely around your dog’s body and it can also double as a walking collar – no need to remove/reattach the harness until you want to. Our straps tighten securely allowing some movement but preventing your pet from roaming unsafely around the car. | Quick and Easy to Use --- There are two buckles on the chest straps making the harness easy to put on -- no need for your dogs to “step in”. The harness straps can be easily adjusted for maximum comfort too, making our product suitable for small, medium and large size dogs, or even cats. Seat belt straps are also adjustable and easy to attach. | Wide and Further Application --- The harness can be used as a travel harness in the car to prevent dogs jumping out the window when go driving around. It also can be use a regular harness connects with the retractable dog leash as a regular harness.