Woolite's Wool Dryer Balls is the new solution and all natural alternative to dryer sheets. Lasting for more than 1,000 loads, you can trust that the dryer balls will continuously keep your clothes looking new and feeling soft. For small loads, use both dryer balls. For larger loads, add additional balls. Once the process is done, watch your clothes lose their static and wrinkles all while reducing drying time.Details:Gray3" x 3"Set of 2 dryer ballsLasts more than 1000 loads