Here’s a good tip from Homeland Security regarding keeping a emergency survival kit. Survival Gear is a manufacturer of proprietary survival, rescue, life support, and disaster preparedness equipment. Core technologies include chemical, biological, radiological, nuclear, and high-yield explosive (CBRNE) defense; anti-ballistic and impenetrable barriers; load bearing and rescue/extraction vests, mobility systems, and survival equipment and tools.  Survival Gear products include tactical and survival vests which use the patented SnapTrack™ modular attachment system, a deployable CBRNE decontamination processing system called the Contaminant Air Processing System™ (CAPS™), lightweight ARM-R Flex™ body armor, moldable ARM-R™ Panels for vehicles, and a reconfigurable, collapsible, and virtually indestructible shipping crate called the Advanced Reconfigurable Container™ (ARC™). The company's line of personal safety and survival tools includes patented all-weather fire starting systems, targetable and unbreakable signal mirrors, a premium outdoor saw, a low profile whistle, and kits in which the tools are combined.