Designed to hold as many as 16 ounces of food, the Dart 16MJ20 J Cup® insulated foam food container keeps foods hot or cold. Made of polystyrene foam, its circular structure works well for storing side items, ice cream, soups, and sauces. Its top diameter measures 4.2 inches and it has a 2.7-inch base diameter; overall, it has a 4.1-inch height. It comes in white to match other paper, plastic, and foam disposables.