(M) BREATHABLE AND COMFORTABLE: The vest is made of air mesh fabric, which is very breathable, and the inner fabric is delicate and soft, the weaving threads are dense, so that your pet can get better heat dissipation. heat. EASY ON AND TAKE OFF: Step-in style dog harness design, easy to put on and take off. Place the dog's front legs into the Small Dog Harness, lift the harness and close the hook and loop to fit, then fasten the buckle. REFLECTIVE AND SAFE: This dog harness has a reflective design, which can reflect light at night, which makes the dog easier to find at night and safer. It is not easy to be hit by people or cars.CONVENIENCE: Easy to open and close the buckle, release and lock the dog at any time, to ensure the freedom and safety of the dog.MORE OF CHOICE: We also provide different sizes with colors for choose, so hope you can make sure to measure the dog's neck and chest circumference before purchasing. Please contact us if you have any questions.