Patch Sizing: The dimensions in the fuzzy Velcro on most flight suits is 4" x 4". A larger patch will cling from the Velcro and tends to get caught on just about every bit of fabric which you wander by. We highly advocate a maximum dimension of four” tall https://operation-inherent-resolv38269.blogoscience.com/31699736/what-does-operation-inherent-resolve-2023-mean