There are some affiliate links below, but they are all products I highly recommend. For more info, view my disclosure here.
Keep Their Leash/Harness/Treats Easily Accessible
Post Your Lost Dog on Social Media and Contact Local Animal Control and Shelters
Have Clear, Recent Face and Full-Body Photos
I’ve seen so many lost dog social media posts and flyers with photos that make it difficult for strangers to identify the dog. Sharing clear, recent face and full-body photos help show off unique markings and other features. This will help strangers to be able to identify your dog and reunite them with you!