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 head replacement and a lightweight aluminum handle with a 60" length that can be used with an extension pole. The mop head is machine washable for reuse. This mop is ideal for cleaning floors in commercial settings like offices, schools, hospitals, and more. It provides an economical and effective wet mopping solution.