Features: Strong point: No scratch, no hair loss, easy to install and fit. Multi uses: These heavy duty mop heads are for commercial, industrial, and residential use. This all purpose mop is suitable for any cleaning job including industrial cleaning, janitorial, and household environments. Specifications: Material: cotton synthetic yarn Color: blue Size: about 27.6 x 11.8 x 0.8 inches Package includes: 30 x Commercial mop head replacements Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.