A bit off topic here, but if you’re new to prepping, survival foods is only the first step to a thorough plan for surviving a catastrophic disaster, with the greatest risk being to those who live in or near major cities. If there is ever a disruption in the food supply, major cities will suffer the hardest and first due to the insanely high number of people who need food and water (into the millions in certain cities).
Food Storage. Many years ago the Farmer's Almanac advised it's readers to keep a years supply of food on hand in case of emergencies. It was good advise back then and it's good advise today and easier to accomplish. Freeze dried food in vacuum sealed packaging is readily available from a wide variety of excellant companies and they have a very long shelf life. Properly dry-packed foods can have a very long shelf life according to the Mormon church's Provident Living website. For example, dry packed white rice, pinto beans, and sugar under the best conditions can be safely stored for 30+ years. Commercial dry packing for long term storage is usually done in #10 long term food storage cans or by do it yourselfers in sealed mylar bags with oxygen absorbers inside of polly buckets.
Design – The best bug out bag is one with plenty of pockets. This allows you to compartmentalize your bug out bag essentials so that you know exactly where everything is and you don’t have to dig through mountains of other stuff to find what you need. Put all your fire and light things together such as tactical flashlight, candles, headlamp, fire starting kit and storm proof matches. Put maps, GPS devices, compass and other navigation related items in their own pocket and so on. The more you can separate things the easier it will be to transcend your difficulties.
The learned professor assumes that while a long-continued war had strengthened rather than weakened the instinct of paternal devotion, it had also dulled other humanitarian instincts, and raised to the first magnitude the law of the survival of the fittest, with the result that when the exodus took place the strong, the intelligent, and the cunning, together with their offspring, crossed the waters of the Channel or the North Sea to the continent, leaving in unhappy England only the helpless inmates of asylums for the feebleminded and insane.