1. [Vest fitting for small dogs]-Note: Please measure your dog before ordering. The size chart is only for your reference, and it doesn't exactly match your dog. You can see how to measure your dog correctly in the chart. 2. "Easy to put on and take off": The walk-in dog harness design is convenient to put on and take off. Put the dog's front foot into the puppy's harness, lift the harness and close the velcro strap, then fasten the strap. 3. "Super comfort": made of high quality breathable cloth material, very breathable and durable, lightweight, soft and comfortable. It won't pull, drag or suffocate your dog. Breathable cloth keeps your dog cool when outdoors. 4. [Reflective design of small dog harness]: The strap design of reflective cat or dog harness makes it visible in low light conditions and improves the safety when walking at night. Give your pet a safer and more comfortable outdoor experience.