Proper maintenance and cleaning of dining room chairs will ensure their longevity and keep them looking their best. Different materials require different cleaning methods. For wooden chairs, regular dusting and occasional polishing with a furniture cleaner or wood oil is recommended. Metal chairs can be wiped clean with a damp cloth and mild detergent. Upholstered chairs may require vacuuming or spot cleaning to remove stains. Always refer to the manufacturer's guidelines for specific care instructions.