Dryer Balls - set of 2 balls - brand new - $5 firm Designed to reduce drying time and soften fabrics without the use of chemical fabric softeners, Dryer Balls are an eco-friendly solution to landfill-clogging dryer sheets and chemical-laden liquid softeners. As your wet laundry tumbles in the dryer, these bumpy balls lift and separate fabric to make it soft and fluffy, and allow air to flow more efficiently — proven to make ironing easier, decrease lint and reduce drying time.