Patch Dimension: The dimensions of your fuzzy Velcro on most flight satisfies is 4" x 4". A larger patch will dangle off the Velcro and tends to get caught on almost every bit of fabric that you choose to walk by. We highly endorse a greatest dimension of 4” https://juliushjjhh.blogoscience.com/31840245/operation-inherent-resolve-veteran-things-to-know-before-you-buy