You’ll be so glad you bought these 100% wool Woolley Dryer Balls. Toss all three Woolley Dryer Balls into the dryer with the wet load. Your dryer time will be reduced between 25 and 50%. You won’t need any more fabric softeners or dryer sheets because these all natural Woolley Dryer Balls will soften your fabrics. Use them over and over, again and again. If you like scented products, place 3- 10 drops of essential oil on each ball for a lovely fragrance on your clothes. Store in your dryer or in a dry location.