Using these Christopher Knight Home® San Diego outdoor dining chairs is easy. Just assemble them following the provided instructions, and you're ready to enjoy your outdoor meals. When it comes to cleaning, the water - resistant cushions can be wiped down easily with a damp cloth. For the aluminum frame, a mild soap and water solution will do the trick. Keep the chairs in a dry place during harsh weather to prolong their lifespan. Avoid using abrasive cleaners as they might damage the matte black finish. If you want to change the look, you can choose different cushion colors according to your mood or the season. With proper care, these chairs will serve you well for many years.