Safe and comfortable: the large dog harness is a product specially designed for outdoor activities. The dog harness is made of durable Oxford nylon and is filled with soft padding. The breathable air mesh ensures that your dog stays cool during outdoor activities. Even in low light conditions, the ultra-bright reflective strip ensures visibility and safety. And it is safer for your dog. Large dog harness: chest circumference 52-91 cm, neck circumference 41-59 cm, suitable for large and medium-sized dogs such as Australian Shepherd, Dalmatian, large poodle, border collies, English bulldog, etc. Make sure you measure the widest point chest circumference and neck circumference before placing the order. Then refer to the size chart. It can be adjusted to maximise your dog's comfort. (Please refer to the size chart) No pull and no choke design: our anti-pull dog harness distributes the pulling force evenly and does not exert pressure on the dog's neck, making it anti-pulling and anti-suffocation. The chest harness has a D-ring on the chest and back, suitable for forward and reverse running. This simple dog harness is perfect for daily walks, jogging, hiking, training, hunters, hunting, outdoor adventures, etc Easy to use: with 2 quick-release fasteners, they are easy to use. In addition, this dog chest harness has 4 easy adjustment straps around the body, which allow full adjustment and create a perfect fit for your dog. The adjustable chest and neck straps fit your pet perfectly. It is lightweight and easy to clean. You can choose from 3 colours and 4 sizes. Please measure your pet before ordering and refer to our size chart to get the best size. Your satisfaction is our top priority and we will treat all quality problems. If you encounter quality problems, we offer you first-class customer service to ensure you are satisfied.