Using these dining chairs is super easy. Just place them around your dining table and you're ready to sit back and enjoy your meals. When it comes to assembly, follow the clear instructions included in the package. All the necessary tools are provided, so it should only take a short time to set them up. As for maintenance, keep them clean by wiping the PU leather surface with a soft, damp cloth regularly. Avoid using harsh chemicals as they might damage the leather. In case of spills, clean them up immediately to prevent stains. Be careful not to place heavy or sharp objects on the chairs to avoid scratches or dents. Regarding the color, remember that due to different screen color settings, the actual color of the chairs may look a bit different from what you see online.