NOTE: The blue film is to protect the product during transportation. Since this product has many accessories, the blue film can ensure that there will be no damage or scratches during transportation. FOOD GRADE STAINLESS STEEL: This chafing dishes for buffet set is made of reinforced and thickened stainless steel for superior durability and corrosion resistance, ensuring that it maintains its quality over time during regular use and storage. The enhanced insulating properties of this chafing dish set also contribute to its ability to keep food warm or fresh for long periods of time. The elegant mirror finish and rounded edges prevent scratches and your fingers from getting cut. 8 QUART CAPACITY FOR WARM OR FRESH FOOD: With a 8-quart capacity, the chafing dish buffet set easily accommodates large quantities of food.