These replacement cleaning cloths for the HUTT A1 2.0 window cleaning robot come in a pack of four and are designed to keep your glass surfaces spotless. They are crafted from grey high-density nanofibers, which allow them to absorb water effectively while they glide across the windows. Because these cloths are reusable, you can simply wash them between uses, making them a practical choice for maintaining your home's transparency without needing constant replacements.