Safe and comfortable: the dog harness for large dogs and dog lead 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. It is safer for your dog. L size dog harness for large dogs: chest circumference 52-91 cm, neck circumference 41-59 cm, suitable for large and medium dogs such as Australian Shepherd, Dalmatian, Big Poodle, Border Collie, English Bulldog etc. Make sure you measure the widest part chest circumference and neck circumference before placing the order. Then refer to the size chart. It can be adjusted to maximise the comfort of your dog. (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, which makes it anti-pull and anti-suffocation. The chest harness has a D-ring on the chest and back, suitable for forward and backward running. This simple dog harness is perfect for daily walks, jogging, hiking, training, hunter, 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 a full adjustment and create a perfect fit for your dog. The adjustable chest and neck straps fit perfectly with your pet. It is lightweight and easy to clean. 100% satisfaction guarantee: safety harness dog stand 3 colours and 4 sizes to choose from. 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 that you are satisfied.