Travelers can choose between Royal First Class, Royal Silk Business Class, Premium Economy, and Economy Class for their travel in Thai Airways. The Royal First Class is the highest tier of all other classes, which provides an extremely enjoyable and comfortable travel experience by offering services such as the private suite, spacious seating that converts into fully flat beds, fine dining with curated dishes, access to exclusive, luxurious lounges, luxurious amenity kits, etc., with authentic Thai hospitality. To find out more about Thai Airways First Class, the costs, and the booking process, please read the blog mentioned by Fares First Class.