Harness to Prevent Pulling: This dog harness is perfect for dogs that tend to pull hard on the leash. With the front tether, the pulling pressure is evenly distributed over the dog's body to prevent pulling and choking Easy to Put On and Adjust: This vest with quick-release buckles ensures easy use when putting on and taking off; Just slip his head in and clip the 2 sides behind his legs. Adjustable chest and neck straps allow for the perfect fit for your furry friend; There is also no problem for your growing dog Safety Vest: The reflective strips of this anti-pulling dog harness make your dog visible in the dark, great for walks at night, at dawn, dusk, at night or in foggy and rainy weather Solid Back Handle: The handle on the back of the dog harness is strong enough for you to easily grab your dog and protect him when you are in a crowd or accidentally have a large situation Size S: Anti-pulling dog harness in size S for 33-48cm neck circumference and 33-61cm chest circumference of your dog. (Please see the second picture). Before you buy it, we suggest that you measure your dog's height, it's more valuable to measure your dog's chest circumference, neck circumference and weight Warm advice: Dear buyer, due to lighting effect, monitor's brightness, manual measurement etc, there may be some slight differences in the color and size between the photo and the actual product. Sincerely hope you can understand! Thank you!