Petmate’s Adjustable Mesh Harness for Dogs is a super-stylish ultra-comfortable harness. Lightly padded material with breathable mesh provides the utmost comfort. Includes an adjustable slide in the chest area for a snug & custom fit for every dog. Harness also includes a heavy-duty plastic snap lock buckle for extra security. The nylon strap has a metal D-ring for attaching a leash. In addition to being comfy, stylish & featuring added safety measures for your furry friend, this body harness alleviates pulling & strain & helps to distribute your dog's body weight evenly. This provides a better walking experience for both you & your pet. 5 colors to round out our core C&L assortment Red Royal Blue Black Bright Pink Purple Sized for small breeds with short legs & fragile necks, this harness reduces pressure on the neck as well as prevents chaffing under the limbs. Xs for neck sizes 11”-13” Sm for neck sizes 14”-16” Md for neck sizes 16”-19” Lg for neck sizes 19”-23” XL for neck sizes 20”-29”.