Originally Posted by Donny

Toilet paper is thin and made to dissolve quickly in water so that it's easy on septic systems. Paper towels are a bit thicker and meant to be thrown in the trash because they don't break down as well in water.

Since I'm in a public restroom when using them, I don't give a shit (no pun intended) whether or not they break down well in the toilet. I just know what does the best job getting my ass clean.