Whats the best signal mirror for a survival kit?
Obtain a quality glass signal mirror- the 2″ x 3″ size is sufficient and you will have a signaling tool that can get you rescued in a flash. We have tested such mirrors up to 27 miles in the desert and the record rescue with a glass mirror was 105 miles! Avoid the plastic or polycarbonate mirrors as well as CDs. These scratch easily and don’t have the distance capabilities of a quality glass mirror. Students are often concerned that a glass mirror is too fragile but in all my years of using and carrying one, I’ve never suffered a breakage. I store mine in a thin bubble-wrap sleeve to be extra careful. Here’s the beauty in using a glass mirror- they are incredibly easy to accurately flash a distant searcher. Place the mirror up to your eye, tilt the mirror up towards the sun (not directly into the sun though!) until you see a small bead of white light. Make sure the surface of the mirror is not obscured by your brimmed hat or fingers. You may have to angle the mirror a bit if the sun is
