Originally Posted by linsj
I always take them so I'll have one in a hotel that doesn't provide them.

A nice one.
I see no point in using them. But a friend of mine was once not allowed into a outdoor swimming pool in France a long time ago without a swimmng cap. He had long hair and maybe they had a problem with that. Had we been staying in a hotel that provided shower caps, the problem would´ve been solved easily.