Heavy Duty Mop Heads: Includes 6 pcs commercial mop head replacements made with absorbent cotton yarn for heavy duty floor cleaning; Each 18 oz mop head size is 28 x 12.5 inches, providing broad floor contact for cleaning spills, dirt and dust in commercial, industrial and home Loop End Different Color Design: loop end mop heads is designed help reduce fraying, tangling and lint shedding during use; Wet mop refills with different color help janitorial teams identify cleaning zone, supporting organized such use across academic building, public areas Absorbent Reusable Cotton: cotton string mop head bulk made from cotton fibers, and these wet mop heads absorb large amounts of liquid and help remove stubborn dirt with ease; Suitable for wet mopping or dry dust collection and washable for repeated use Easy Installation Secure Fit: universal industrial mop heads design allows quick attachment and removal with compatible clamp-style mop handles and just open the latch, slide it into place, then clamp tightly; Replace worn and keep cleaning tasks easy Versatile Applications: reusable mop heads are fit for floor clean at home, kitchen, office, school, restaurant, market, commercial, warehouses, retail store and more, they work on tile, hardwood, laminate, marble, concrete, and other hard floor surfaces Features: Cleaning mop refill is made of reliable material, it can get wet quickly, wring out, and can quickly remove dirt, dirty water or dust, making your ground clean. Reusable mop head is reusable, which can serve you for a long time. Ample quantities can meet your usage and replacements needs, and the installations are simple and fast. Specifications: Material: cotton Color: as shown in the pictures Size: as shown in the pictures Package includes: 6 x Dust mop replacements Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.