The Difference Between Cartons May 11, 2022 Email There are two types of liquid cartons: aseptic and gable-top. Gable-top cartons feature peaked roofs and need to stay refrigerated. They are mostly composed of paper with a thin plastic lining. Aseptic cartons usually have a rectangular top and don’t require refrigeration until they have been opened. They contain an inner aluminum lining as well as more plastic than traditional gable-top cartons. Learn more.