K9 Timent Canis Morsum PVC Morale Patch - Light Another great patch for our dog handlers translates something like, "Fear the bite of the dog" Timent Canis Morsum A 4"x2.5" inch PVC Patch Hook velcro sewn on the back PVC patches are better than embroidered versions because they won't stick to each other, which damages the thread and makes patches unusable