I'm not sure I like that design all that much. It looks pretty heavy and bulky for an item that generally sees very little use. There are much slimmer signal mirrors on the market and they work just fine.

As far as the survival machete included in that kit, it is pretty much a gimmick IMHO. It looks kind of cool but just doesn't do very well at any particular task it was supposedly designed for. I'd much prefer a more conventional machete or kukri.