The Rubbermaid Commercial Products Wet Mop String Mop is a 24 oz. cotton mop head designed for wet mopping floors. It features a quick-change mechanism for easy mop head replacement and has a 60 inch handle with a threaded tip that fits most handles. The mop head is machine washable up to 100 times. This mop is ideal for cleaning floors in commercial settings like offices, schools, hospitals, and more. It provides efficient floor cleaning while being durable and easy to maintain.