Question about iRobot Braava 390 T

Hello thorin01
Thank you for your question. Our dry and wet wipes are made of microfibres, so they trap dirt, dust or even pet hair thanks to their electrostatic power. The Braava 390T cleaning cloths are washable for easy reuse.
The wet pad of the iRobot Braava 390T is equipped with a Velcro fastener. Accordingly, conventional cotton cleaning cloths can also be attached and used, as long as they have the correct dimensions.
We hope this answer helps you, otherwise feel free to contact us again.
Best regards,
Your iRobot Team

A few microfibre cloths come with the robot. You can also buy more later. White for dry "wiping", blue for wet.