A disaster supply kit is a collection ... own after an emergency. This means having your own food, water and other supplies in sufficient quantity to last for at least 72 hours.

Building your own emergency ... aid kits, along with more comprehensive kits that include first aid plus enough food, water, and other supplies to sustain one, two, or four people for 72 hours ...

Don't worry, the actual list of items is much more manageable ... Shop Now Best budget kit: Stealth Angel 72 Hour Emergency Kit — $99.00 While you’ll likely want to add more to this pack ...