To use these side chairs, simply place them around a table or in any seating area. They are great for dining rooms, living rooms, or even offices. When sitting, make sure to sit upright for the best comfort. As for maintenance, you can use a soft, dry cloth to dust the chairs regularly. Avoid using harsh chemicals or abrasive materials as they may damage the Shanghai black finish. If there are any spills, clean them up immediately with a mild soap and water solution. Also, keep the chairs away from direct sunlight and excessive moisture to prevent the wood from warping or the finish from fading. And remember, these chairs are sold in sets of 2, so make sure to order the right quantity for your needs.