Features: Made of wool, high-quality and durable. Smart sheep wool felt ball can shorten your drying time with the maximum drying efficiency. Practical, eco-friendly and chemical-free wool balls are a delight to own and use. Reusable and sustainable household. Electrostatic eliminating, helping bed sheets stay untangled during the drying process as well as keep pet hair off clothes. Perfect for cloth drying. Good felt ball for water absorption and damp proof. Hard to unravel and last for years. A gorgeous gift for new moms, helping them save time and money.