The (2-Pack) Woolite Laundry Hypo-Allergenic Reusable DRYER BALLS are a convenient and eco-friendly addition to your laundry routine. These gray balls, measuring 2.5" in diameter, are designed to soften clothes and fabrics naturally while reducing drying time by up to 25%. Made by Woolite, these dryer balls are reusable and hypoallergenic, making them suitable for sensitive noses. With a capacity to last for over 1,000 loads, these dryer balls are an efficient and easy-to-use solution for keeping your clothes looking newer longer.