Homecourt wool dryer balls promise naturally soft, wrinkle-free laundry. Crafted from 100% New Zealand lamb wool, the set contains two natural and two gray balls. Use the light balls for whites and the gray for colors and darks. The dryer balls are designed for use with Homecourt laundry fragrance oil, gently enhancing your laundry. Stored in a drawstring bag, these dryer balls act as a reusable, eco-friendly alternative to dryer sheets.