【Suitable Size】Please measure your puppy's neck girth and chest girth, don't choose size by weigh only, then refer to the sizing chart. If your puppy's neck girth or chest girth is between two sizes, it is recommended that choose the larger size..【Step In Design for Easy on and Off】Our Step in vest harness design makes it easy to use. Small dog harness with magic tape, strong buckle with safety lock and double D rings ensure no accidental detachment..【Breathable Air Mesh】The puppy harness are made with soft mesh fabric, it’s lightweight but sturdy, easy to clean and quick-dry. The step in harness design make the pulling pressure distributed to the body to prevent choking..【Safe and Comfortable Harness】With reflective strip design, the dog harness strip provides extra visibility and safety for day or night walking. The leash also has reflective strip, more safety..【Guarantee】We promise to provide good customer service. If you have any questions about our dog harness, please feel free to contact us, our customer service staff will reply you within 24 hours.