High Quality Cotton Mop Refill - This mop refill is made from durable cotton thread with a soft cord that will not scratch floor surfaces. It is machine washable and suitable for cleaning all hard surface floors. Easy to Install Round Mop Head - Fits 6.1 to 6.3 inch mop head systems and is compatible with 360° mops. Simple step installation lets you complete the replacement in seconds. Easy to Clean and Deep Clean - The rotary mop refill uses deep cleaning cotton to lift and absorb stubborn dirt. Made from cotton thread, it cleans effectively and can be washed without leaving streaks. Multi-Purpose Performance - Best suited for smooth floors such as wood, ceramic tiles, laminate, marble, and other sealed hard floors. Also suitable for washing the car. Works well for both wet and dry use. Use scenarios - Daily home cleaning on wood, laminate, tile, or marble floors to wipe away dust and spills without scratching. - Spot cleaning of tough dirt and sticky residues on sealed hard floors in kitchen or bathroom areas. - Exterior car cleaning with a damp mop head to lift dirt without scratching the surface.