If an emergency occurs and forces evacuation, the bug-out-bag (BOB) is your ticket to survival for at least three days. Although people know it by various names, its use is the same for everyone. This is an emergency survival backpack that is ready to go at a moment’s notice. Bug Out – The name is somewhat odd. However, the purpose is genuine. This bag contains supplies that you need to eat, create shelter and preserve life until help arrives, or you are away from danger.