Clean People Wool Dryer Balls are all the good stuff in your favorite Dryer Balls with none of the bad stuff (cruelty free, no animal fats, parabens, no phosphates, no added dyes, no chlorine). Did you know that most wool comes from farms where mulesing is practiced? We think this is awful, and our Dryer Balls are Certified-Mulesing free and Cruelt..