Genuine IR USA Flag patch. 3.5x2 Infrared reflective or White light, non-fabric Glo-Tape patches with Velcro® hook backing attaches to Velcro® on military field and flight uniforms to provide covert combat identification. Reflects IR light brightly to identify.

White Light - Reflective with a normal flash light source 

IR - Only visible with IR (infrared light source)