1. High-Quality Material: Made of microfiber, these 3 pieces of cleaning cloth are soft and absorbent. 2. Efficient Cleaning: The microfiber cloth effectively removes dirt, stains, and smudges, leaving surfaces clean and shiny. 3. Reusable and Washable: These cloths are reusable and can be easily washed for long-lasting use. 4. Easy Installation: The cleaning cloth can be easily attached to a window cleaning robot, ensuring a hassle-free cleaning experience. 5. Model-Specific Design: Specifically designed for the YW509 model, these cloths offer a secure fit and optimal cleaning performance. Color: Gray Material: Microfiber Package Contents: 3 x Window Cleaning Robot Cleaning Cloth Note: Only the above package content is included; other products are not included. Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.