PTSD SERVICE DOG Badge Embroidered Non-Reflective 1.5" x 6". Police K-9 Harnesses, Service Dog Harnesses and Service Dog Harness. Our non reflective ID badges are great for all types of dog harnesses. These ID badges are easy to read from a distance and made from the highest quality of materials. So if you are a service dog handler, a please K-9 handler, a military K-9 handler or a sport dog trainer looking for a identification badge for your harness then you have come to the right place.