I know, I know. You can't wait to get on board and get to all those great destinations, and go on those excursions. They'll have everything you need right ? Wrong !!!!! Some / many of the places you will visit may not have running water. That's ok, you grabbed a bottle as you got off the ship. Good thinking. But what about facilities ? Believe me. In some of the places you visit, an old fashioned outhouse would be a blessing. So, what to do ? Well, the wife and I, ok, it was all my idea, started packing something called a Biffy Bag a few years ago. Available on Amazon, bring a few. You can thank me later.