Using this table is a breeze. To adjust the height, simply use the mechanism associated with the boomerang legs to change it from coffee - table height to dining - table height according to your needs. When you're done using it, you can set it back to the original height. As for maintenance, use a soft, dry cloth to wipe the table regularly to keep it clean. Avoid using harsh chemicals as they may damage the wire - brushed finish. Since this product has a Prop65 warning due to formaldehyde and the risk of cancer, make sure to place it in a well - ventilated area. Also, follow all local safety regulations regarding the use of products with such warnings.