SAFETY FIRST: The straps are tightened securely so that the dog cannot ride on the car to prevent the dog from jumping out of the car window or moving around, and still have a certain range of movement and flexibility. Provides safety for your pet while driving.HIGH QUALITY & COMFORT: Durable adjustable neck and chest straps and soft, friction-free sleeves make this carrier your pet's favorite.Comfortable and Durable Fabric: The vest carrier is made of breathable and soft military material, which will not burden your pet, he deserves the best!Easy to use and quick release: There are quick release buckles on both sides, making it easy to put on and take off. Place it on your dog's head, fasten the harness, adjust the straps as needed, then attach the harness to the D-ring and tighten the harness. Your journey to safety with your pet starts here!Humanized design: instead of a collar, sudden braking will not hurt the dog's neck. Thanks to its ergonomic design, this carrier wraps around your dog's center of gravity, and the fully padded vest relieves pressure. Stainless steel D-ring, not plastic, safer and more durable.