white cell.  i like this one, but it has walls and a door.  (http://www.kearch.com/commercial/slideshow/images/commercial_stand_slide011.jpg)<br/><br/><br/>this looks fitting i think for prisoners (http://static.howstuffworks.com/gif/prison-5.jpg)<br/><br/><br/>ooo.. i like this on too  ;D  (http://www.spankingblog.com/spanking-pictures/sex-and-submission-jail-cell-01.jpg)