Wool Dryer Balls, Natural Wool Material With Fabric Softening Effect, Built-In Moisture Absorption, Antibacterial And Anti-Static Properties, Dual Use For Washing And Drying. Can Absorb Clothing Lint And Stains, Reduce Clothing Tangling And Knotting, Smooth Wrinkles And Eliminate Static Electricity, No Electricity Required For Machine Washing And Drying, Reusable And With No Additives. Suitable For Home And Self-Service Laundry, Essential Cleaning Product For Home Care, Random Color And Style Delivery.