This is a discontinued item. Limited quantities and sizes are available. 

Signal mirrors can be used for signaling aircraft, signaling your location to others, and shaving in camp. A very popular item, these mirrors are made of 1/4" laminated glass. They come with a sighting hole in the middle and a grommet hole in one corner for a lanyard. Mil Specs for Medium Signal Mirrors: MIL -M -18371E Type II.