The easiest way to build the perfect survival kit is to buy the instructions for it, from amazon or e-bay. The other easy way is to visit the Survival Resources website.
nothing but stuff
A zombie survival kit might include fire weapons, bombs, knives and other things that are necessary to fight against zombies. A zombie survival kit should also include bandages, disinfection materials and medicines.
Many survival kits include nylon cord, string, twine or rope. In many survival situations these items are extraordinarily useful from building snares to hanging your cloths to dry cord/rope is a big yes in a survival kit.
A first aid kit is for medical use a survival kit is for survival in some emergency like getting lost in the jungle, mountains, at sea. A survival kit should contain a first aid kit.
Brian hasn't opened the survival kit because he might not feel an urgent need for it yet or he could be in a state of shock and not thinking clearly. Additionally, he might be preoccupied with other immediate concerns or simply overwhelmed by the situation.
A personal survival kit is for your personal needs. Any thing that you need to use or take or eat everyday. Just have your kit in a easy to get to location.
knife
A survival kit needs to supply, or give you the tools to furnish, MEDICAL CARE, SHELTER, SIGNALLING to attract rescue and SUSTENANCE. The ultimately simple survival kit is a good quality knife and reliable fire starter. If you are preparing for a survival kit you may consider also for how many people are you preparing for.
Brian called the survival pack in "Hatchet" by Gary Paulsen, his "survival kit."
Matt Seipel
Your outdoor hiking survival kit should have at least a Swiss Army knife, a GPS and a sturdy camera to document your adventure.
There are several places you can find and buy a winter survival kit. You can find them in travel and backpacking shops as well as on line on sites such as Amazon.