Reusable over 1000 times, they naturally soften and fluff your laundry eliminating the need for single-use dryer sheets and liquid fabric softeners. Toxin free and plastic free our eco dryer balls help reduce drying time by 20% to 40% while eliminating wrinkles and static cling. These cute dryer balls are hand felted in Nepal with 100% New Zealand wool. They are an economical and natural alternative to dryer sheets. Measures 3" diameter.