Soft Mesh Dog Cat Harness No Pull Comfort Padded Vest for Small Pet Cat and Puppy Medium - Chest Girth 14"-19", Neck Girth 12.2" Made of 100% polyester, covered with breathable mesh Connect a leash with the metal ring on the back, but no leash in package Do not hurt when walking and running because of comfort padded vest Solid color is easy to match other collar or leash Please make sure that your pets&#039; head can cross over the neck hole of the harness. Extra Small - Chest Girth 10&#034;-15&#034;, Neck Girth 8.0&#034; Small - Chest Girth 12.5&#034;-16.5&#034;, Neck Girth 9.0&#034; Medium - Chest Girth 14&#034;-19&#034;, Neck Girth 12.2&#034;