Patch Dimension: The dimensions of the fuzzy Velcro on most flight satisfies is 4" x 4". A bigger patch will hold from the Velcro and has a tendency to get caught on pretty much each piece of cloth you walk by. We highly advocate a optimum dimension of 4” https://operation-inherent-resolv93704.dm-blog.com/25901870/about-operation-inherent-resolve-2023