Decorative Embroidered Patch with Hook-and-Loop (velcro) backing. Non-functional textile accessory for apparel and gear. This custom Tactical Engineer Development Program Embroidered Patch is only available here at Badass Patches. Size: 4" Height x 3.5" Width Patch Type: Embroidered Backing: Hook-and-Loop (velcro) Affiliation: U.S. Air