We use the IRobot Braava Jet for cleaning almost every day, so the wet mopping attachments wear out quickly. To avoid divorce, they need to be changed more often. The quality of the material of these napkins is on top, stitched on the sides, a good dense pile, do not climb. They are connected to the floor polisher without any problems, all the connectors completely match, they do not fly off during the cleaning process. I always wet the rag first and then attach it to the floor polisher, so it cleans more efficiently.