Calphalon Reflections Metal Serveware Veggie Tray Ideal for elegant entertaining. Sleek contemporary silhouette. Perfect for chilling, heating and serving. Reflections Metal Serveware can go from freezer or refrigerator to table and oven or broiler to table. Aluminum Alloy allows hot foods to stay hot, cold foods to stay cold. Looks beautiful on your buffet or dinner table. Vessel: Food safe aluminum alloy. Utensils: Use only plastic, nylon or wood. Usage: For refrigerator, freezer, oven and broiler. It is not recommended that food be stored in your pieces for a sustained period of time, especially foods containing fatty acids, salad dressing or vinegar. It is not recommended to let any water/liquid stand in the piece for extended periods of time. Wash with mild soap, rinse with hot water and dry. Automatic dishwashers not recommended. Do not use abrasive cleaning pads. Recommended to coat thte surface with cooking oil or spray prior to use to help protect the metal finish from discoloration.