This SOLO FSFB5-0007 Basix disposable 5 oz. white plastic bowl is made of polystyrene foam for strength, insulation, and resistance to moisture leak-through. It is suitable for serving hot and cold food items and is compatible with a Solo L35DB1-0090 plastic dome lid (sold separately) for storing and transporting food items.Disposable food service products are used to store, insulate, transport, prepare, and serve food and drink. They may be made of paper, plastics, or metal foil. Food service products for freezing items protect their contents from freezer burn, contamination, and drying.SOLO manufactures disposable plastic, paper, foam, and post-consumer recycled content cups, plates, and other products for food and beverage service. The company, founded in 1936, is headquartered in Lake Forest, IL.