These things can cost some money. Has anyone tried this? SHipping is kind of crazy on a $2 item, but still affordable. I wonder if it’s nothing more than a CD, or what? Says unbreakable….
Oh, it says aluminum.
http://www.ebay.com/itm/NEW-Survival-signal-mirror-lightweight-double-sided-/220822851527?pt=LH_DefaultDomain_0&hash=item336a114fc7