Pupsikins wool dryer balls replace dryer sheets & liquid fabric softeners, without chemicals or synthetics (perfect for those with sensitive skin & babies). Felted wool dryer balls shortens drying time (use 4 balls for small/med load, 5-6 for large). Reduces drying time up to 25% for large loads, and up to 40% in smaller loads saving you hundreds of dollars per year 100% premium organic New Zealand wool dryer balls are not only to perfect natural fabric softener, they last for more than 1000 washes! Wool balls for dryer are 100% natural and hypoallergenic - which means no more harmful fabric softeners, plastic dryer balls, or dryer sheets. Nature's perfect fabric softener - natural fabric softener wool dryer balls cut costs, protects your family and helps keep our water supplies clean. This package does not include the essential oil.