Size Large fits: Neck: 15"-17", 18"- 22" chest, and approx 15-22 lbs. The Bark Appeal Wrap N Go Dog and Cat Harness is made with high quality mesh material that creates a soft comfortable fit. Secures easily under the neck and chest make this harness the perfect fit for your Dog, Cat or any pet that would use a Harness. Some of the features are: Chrome Polished D-Ring Secures easily Easy Buckle Free design Secure Fit Calming effect Superior Quality Adjustable All Dog harnesses and Cat Harnesses are finished off with a PVC logo for a classy look. These features make this Harness the ideal choice for your Dog, Cat or any pet that would use a Mesh Harness. Simply Wrap and Secure for a safe, buckle free fit. This Dog or Cat Harness is perfect for your pet that is in between sizes and or if you have a Dog or Cat that is hard to find that perfect fit. **Be sure to check size chart to confirm the harness will fit