Diaper Wearing Cops

http://abcnews.go.com/International/wireStory/manila-traffic-enforcers-wear-diapers-popes-visit-28055094

I thought this was pretty funny: I can’t imagine that 2000 cops would be willing to go 24 hours in a diaper. What happens when they use it? Are they expected to remain in the used diaper for that long? I also thought it was funny when "Asked if he will also wear one, Tolentino said, “I will try, but in my case, I have less hydration.”