iRobot 300 Series Braava 390t Floor Mopping Robot (White) iRobot Braava floor mopping robot helps you maintain clean floors, dry-or damp-mopping any hard-floor surface with disposable or microfiber cleaning cloths. Designed to mop floors quickly and efficiently, the new iRobot Braava floor mopping robot systematically covers your entire floor in a single pass. It’s so easy to use as just attach a cloth, put Braava down, press a button and off it goes, using advanced robotic technology to track where it’s been and where it needs to go.