Specifically Designed For Use With The O-Cedar Easywring Rinseclean Spin Mop & Bucket System, This Rinseclean Mop Refill Is Made From Hardworking Microfiber That Removes More Than 99 Percent Of Bacteria With Just Water. It'S Reusable And Machine-Washable For Up To 3 Months For Sustainable Cleaning. Triangular Shape Of Mop Frame And Pivoting Handling Allow Maneuverability And Corner Cleaning. Mop Refill Is Safe For All Hard Floors, Including Hardwood.