- SUPERIOR QUALITY: Made with high quality PU reflective materials - Our patches are made to last Durable SERVICE DOG patches glow in the night to make your animal visible and safe at night or in the dark. Each set are 2 pieces of dog patches, you can choose the set of these sewed letters such as “Service dog”, “do not pet”, “in training”, “emotional support”,“best friend”, “therapy dog”and “service dog in training”. BETTER THAN EMBROIDERED PATCHES. Unlike embroidered patches whose threads snag and break off easily, our patches are the real deal, and that’s all thanks to the quality materials used to make it. HOOK BACKING. Our patches come with hook backing already sewn to the patch itself. They can easily be fitted to a dog vest, harness or collar with a loop backing, and because they are easily removable, you can put and remove them any time you want. WINSEE Service Dog Patches Therapy Dog Patch for Service Vest Dog Harness(2 Pack, L)