A lot of the advertised "flushable" wipes and other products do not break down like toilet paper and can result in stopped up lines in your home and/or in the sewer system.  For further information please check out the following link:

http://www.nacwa.org/index.php?option=com_content&view=article&id=1581&Itemid=335

And the youtube video:

http://www.youtube.com/watch?v=X-FB46km7bo&feature=youtu.be