Mophead refill with a 5" headband is made with high-quality yarns to handle all of your mopping tasks. 100 percent polyester absorbs four times its weight and dries quickly. Size large mophead yields a 30 percent release upon wringing. Polyester fibers do not require a break-in period for quick, easy cleaning.Mophead refill with a 5" headband is made with high-quality yarns to handle all of your mopping tasks. 100 percent polyester absorbs four times its weight and dries quickly. Size large mophead yields a 30 percent release upon wringing. Polyester fibers do not require a break-in period for quick, easy cleaning.