Wool Dryer Balls - Natural Fabric Softener, Reusable, Reduces Clothing Wrinkles and Saves Drying Time. The Large Dryer Ball is a Better Alternative to Plastic Balls and Liquid Softener. (Pack of 6) 4.4 out of 5 stars 4,776. Save more with Subscribe & Save. Get it as soon as Tue, Jan 28. FREE Shipping on orders over $25 shipped by Amazon.