TREAT RESISTANT HARNESS: This dog harness is ideal for dogs that frequently pull on their leash. With the front clip, the pulling pressure is evenly distributed throughout the dog's body to prevent pulling and choking. EASY TO WEAR AND ADJUST: This vest features quick-release buckles for easy access when putting on and taking off, simply slide his head over and tuck the sides behind his legs. Adjustable chest and neck straps provide a perfect fit for your furry friend, even for your growing dog. Safety Vest: The reflective strips of this no pull dog harness make your dog clearly visible in the dark, perfect for night walks, dawn, dusk, night or foggy and rainy days. Sturdy Handle on the Back: The handle on the back of the dog harness is strong enough, you can easily catch your dog and protect him when you are in a crowd or accidentally get into trouble. Size L: The no pull dog harness size L fits your dog's neck circumference from 16.5" to 26" and chest circumference from 15" to 35".