Bain Marie With Canopy is offered for food courts, Canteens & restaurants. Fully constructed in a heavy-duty gauge of stainless steel. With high-performance, water-heating elements generate heat to keep food warm. Bain Marie With Canopy is the most common use for a modern bain Marie is for food or ingredient holding. Bain Maries are often used to keep foods cool as well as to heat them. This can be seen on salad bars that use bain maries for things like salad dressing. The container is placed in a cooling unit or surrounded by ice to keep foods fresh.