Patch Sizing: The dimensions in the fuzzy Velcro on most flight fits is 4" x 4". A bigger patch will dangle off the Velcro and tends to get caught on almost each piece of material which you walk by. We very advocate a most dimension of 4” tall or https://johnnyuzabw.isblog.net/operation-inherent-resolve-and-spartan-shield-can-be-fun-for-anyone-42904033