Made of 100% New Zealand wool, the Extra Large Wool Dryer Balls 6-Pack is an eco-friendly way to soften clothing for every member of your family. Wool Dryer Balls also help the air circulate throughout your laundry and help reduce static. All-natural and chemical-free, you can replace dryer sheets with this reusable alternative. Each ball lasts for up to 1,000 dryer loads. Naturally freshen and soften your clothing with 100% New Zealand Wool Dryer Balls 6-Pack. This set comes with 6 extra large 3" wool dryer balls in a convenient draw string reusable cloth bag.