Ditto on the Otter Box.
I've been considering placing my survival goodies in a Nalgene bottle. Somewhere on here I saw a thread a while ago. Plus on a recent trip to a local sporting good store I noticed they are selling what looks like a Nalgene bottle knock-off with a small emergency kit inside it (space blanket, glow stick, etc...)
Here's the old thread:
http://www.equipped.org/ubbthreads/showt...=true#Post17009