Which patch will fit?use our helpfulPATCH SIZE GUIDEThere are many different patches available as well as the option to have your ownPERSONALIZED PATCH created.These Removable Reflective Harness/Vest/Collar Patches have reflective printed letters and are attached with hook and loop fasteners. Unlike embroidery patches, they will not get caught on objects and the thread will not come apart. Large letters make it easy to read messages.Letters are reflective as a value-added safety feature. Easy to wash material makes keeping these patches clean a breeze. Patches come as a set of 2. Fits perfectly on our Unimax, Alpha Harnesses, and MaxAire Vests.Available in sizesA, B, & CSize A – 1″ x 2.75″Size B – 1.5″ x 4″Size C – 2″ x 6″