SOFTENS LAUNDRY NATURALLY: No Chemicals or Synthetics Used (great for those with sensitive skin & babies) SHORTENS DRY TIME: Saves time, money and energy! (use 3 balls for small/med load, 5-6 for large) ECO-FRIENDLY: Lasts for a Thousand-Plus Loads, Replaces Dryer Sheets & Liquid Fabric Softeners, Reduces Garbage Waste. (A healthy, petroleum-free alternative to plastic dryer steamer balls)