LEGEEON USAF Air Force Area 51 Alien Groom Lake Black Ops Special Projects NRO Touch Fastener Patch Size (Diameter): 3,2 inches / 8,0 cm (aprox +/- 5%) High quality patch perfect to be worn on uniforms, tactical equipment, vests or jackets Glows in the Dark (GITD) Double-sided Touch Fastener backing (hook and loop)