Absorbent, natural cotton, yarn mop refill is designed for dusting efficiency. Dust mopping daily requires minimal effort. 24" mop refill is large enough to handle aisles and warehouses and maneuvers easily under and around desks. Use mophead with Genuine Joe 24" Frame and 24" Frame with Handle and Dust Mop. Mophead is made with a high percentage of recycled material.