High QualityThe mop refill made with 100% super absorbent microfiber strands has soft, absorbent strings that will not scratch floor surfaces Easy To UseThis mop heads replacement easy to attach and very sturdy, so you can thoroughly clean all your surfaces without fail, work effectively. The mop refill is machine washable up to 10x for easy reuse MultipurposeThe microfiber spin mop refill uses the power of microfiber to give your floors a deep clean. For dry and wet use. Best for the smooth surface floor, such as wooden floors, ceramic tile, laminate floors, marble floors and other sealed hard floors Product SizePackage Includes: 4 x Microfiber Spin Mop Head Replacement. Item Dimensions: 8.5 inches x 8.0 inches x 12.0 inches Outer diameter5.7inch / 145mm Inter diameter3.9inch / 100mm Note: Only compatible with EasyWring 1 Tank System