100% wool. Reduces drying time. Reusable. Eco-friendly. Lasts up to 500 washes. A healthy chemical-free alternative to dryer sheets and PVC dryer balls. Wool dryer balls will save you money, time and energy. Benefits Include: Naturally softens clothes, reduces wrinkles & static cling. Save money on dryer sheets. 100% natural wool. Environmentally friendly. www.evriholder.com. Made in China.