I also have several b.o.b.s! My main one that I can carry, one for winter, one with food stuffs, an extra fire starter one and one for extra tools. They all have at least the basics (food, fire starters, first aid etc) but are set up for different needs. I can always take them all or just one or two, I like being prepared for different things.
Here's the Main One:

this picture was taking before I got my SYKCO'S!