1. High-Quality Material: Made of microfiber, these 3 pieces of cleaning cloths are soft, absorbent, and lint-free. 2. Efficient Cleaning: The microfiber cloth effectively removes dirt, stains, and smudges from surfaces, leaving them clean and streak-free. 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: Specifically designed for the YW509 model, these cloths offer a secure fit and optimal cleaning performance. Color: Gray Material: Microfiber Package Contents: 3 * Window Cleaning Robot Cleaning Cloth Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.