ROI tables are finished with modified all natural rapeseed oil.
The tables are waterproof but they have some vapor permability.
As for other natural projects ROI tables should only been cleaned with water. 

Use of a mild natural soap is allowed from time to time, followed by clean water washing.
Use microfiber cloth to wipe of any residues of water.
DO NOT use any chemical cleaners. 
If stains appear from dried out coffee, vine, etc. please contact us for further advise.