Patch Dimension: The size with the fuzzy Velcro on most flight suits is four" x four". A bigger patch will hang off the Velcro and tends to get caught on just about every bit of cloth that you wander by. We extremely advise a optimum dimensions of 4” tall https://operationinherentresolvec40483.bloggip.com/25939724/operation-inherent-resolve-and-spartan-shield-can-be-fun-for-anyone