Using these dining chairs is simple. Just place them around your dining table and start enjoying your meals. When sitting, the ergonomic design will support your body comfortably. As for cleaning, you can use a soft, dry cloth to wipe off any dust. Avoid using harsh chemicals as they may damage the wood and rope. If there are stains, try using a mild soap and water solution. When not in use, it's a good idea to keep the chairs in a dry place to prevent the wood from warping. Also, be careful not to place heavy objects on the chairs as it might cause damage. The installation process is straightforward. Just follow the included instructions and use the provided tools. If you have any questions during installation, you can always refer to the customer service.