The classifications of restaurant furniture materials include: 1. Wooden furniture: This includes tables, chairs, and other wooden items that are commonly used in restaurants. 2. Metal furniture: This includes tables, chairs, and other metal items that are commonly used in restaurants. 3. Glass furniture: This includes tables, chairs, and other glass items that are commonly used in restaurants. 4. Plastic furniture: This includes tables, chairs, and other plastic items that are commonly used in restaurants. 5. Ceramic furniture: This includes tables, chairs, and other ceramic items that are commonly used in restaurants. 6. Laminated furniture: This includes tables, chairs, and other laminated items that are commonly used in restaurants. 7. Vinyl furniture: This includes tables, chairs, and other vinyl items that are commonly used in restaurants.