That Red House - Wool Dryer Balls100% pure wool dryer balls that help reduce drying time and your power bill by absorbing moisture and creating air pockets in the load for better circulation and a more even distribution of heat. These balls eliminate static and the need for wasteful dryer sheets, as well as wrinkles (no ironing needed!) Directions for Use: Simply pop three balls in your dryer with your wet clothes and let them do their magic. Specifications: 3 x grey (for dark loads)