I don't think they'll let you die because they don't like the form of your Blood Type.
http://wysiwipe.com/shop.html compressed paper tabs the size of a dime, unfold for wiping / well, almost anything, but good arsewipe.
Oh yeah, hard candies. They'll keep you going and happy and cheerful. Plus some jerky - it'll keep you alive.
They make compressed toilet paper towels now (http://wysiwipe.com/shop.html). I think they'd fit in a shotgun shell case. Anyway, a very useful addition.