Patch Size: The scale in the fuzzy Velcro on most flight fits is four" x four". A bigger patch will hold from the Velcro and tends to get caught on almost every bit of cloth that you stroll by. We highly endorse a optimum measurement of 4” tall or https://manueldfgfg.onzeblog.com/25826056/5-essential-elements-for-operation-inherent-resolve-cost