4-Piece Set: Includes four replacement covers, providing extended use and cost-effective care choices for multiple setting Thick Microfiber Cloth: great absorbency and durability, ensuring effective care for most hard floor zones Quick Assembly and Removal: Designed for rapid and stable connection to the cleaning tool structure, simplifying the preparation process Wide Hard Floor Adaptability: Perfect for various hard floor styles, including sealed wood, composite, synthetic, and concrete Machine Washable and Can be laundered up to 400 cycles at 60°C with similar textiles, maintaining care efficiency without fabric softeners or strong