A: I think it would be ok behind a sink where an occasional splash would happen, but likely would get too wet and peel around a tub/shower.
A: As long as you follow the proper directions for installation and it is not being directly hit with water, then you should have no problems installing NuWallpaper in your bathroom or behind a kitchen sink. If installed in a bathroom with a shower, we recommend taking care to smooth out any air bubbles that may occur during installation.
A: Because of the thickness of the wallpaper, I decided to put it in my hall bath, and it is working well. The wallpaper is very high quality vinyl that feels like it would be water resistant.