Dog Harness Size L: The chest circumference of the harness is 38-90 cm. Suitable for medium to large dogs: for example, Golden Retriever, Labrador, German Shepherd, Billy Bulldog, etc. Before purchasing, we recommend that you measure your dog's maximum chest circumference, as well as your dog's neck circumference and weight (Please refer to the size chart) Anti-Pull; Anti-Suffocation: Our anti-pull dog harness distributes the pulling force evenly and does not put pressure on the dog's neck, making it anti-pulling and anti-choking. It also has 2 zinc rings on the chest and back of the harness, suitable for forward and backward walking Easy to Put on and Take Off Remove: This dog harness is easy to wear and adjust. Quick release buckles ensure ease of use when putting on and taking off. Adjustable chest and neck straps allow for a custom fit for your furry friend. Perfect for walking, running, jogging, outdoor fun, etc. More Safe: The nylon dog harness is very durable and made of