These HUTT A1 replacement cleaning cloths are designed specifically for use with the HUTT A1 window cleaning robot to maintain a streak-free finish on your glass surfaces. Each pack contains four grey microfiber pads that are optimized for wet cleaning, allowing the device to effectively lift dirt and grime during its operation. The soft, absorbent material is gentle on windows while providing the necessary grip for the robot to move securely. These pads are a practical choice for anyone who wants to keep their window cleaning robot performing efficiently without having to replace the entire unit's accessories more often than necessary.