Food-grade stainless steel: These buffet warming trays are made of thickened, reinforced stainless steel, ensuring durability and maintaining their high-quality performance even with frequent use and storage. The elegant mirror finish and rounded edges not only add a touch of sophistication but also prevent scratches, protecting your fingers from cuts. Keep food warm: These insulated plates can keep food at a comfortable temperature for extended periods; you can add hot water and fuel (sold separately) to the water dish to keep food warm. You can also add ice cubes to the water dish to cool food. Multi-functional insulated plate set: Spacious and perfect for all occasions, from small gatherings to large banquets. It easily holds main courses, side dishes, soups, stews, and desserts. This multi-functional insulated plate set is ideal for restaurants, buffets, catering companies, schools, corporate events, parties, hotels, and weddings, helping you present food in a professional and elegant manner. Rolled edges: The rolled edges are carefully polished and rounded, completely eliminating sharp edges. This insulated plate set protects your fingers, ensures safe use and easy cleaning, and adds convenience to your buffet setup. Hot food heating system: Our insulated plate buffet kit includes 1 frame, 1 lid, 1 insulated fuel tray, 2 insulated fuel canister holders, 1 water tray and food tray, so you can set up and serve delicious food in minutes.