These are stainless steel divided cafeteria food trays, often referred to as mess trays or partitioned dinner plates.
Material: Constructed from durable, rust-resistant stainless steel with a polished finish.
Design: Feature multiple compartments (commonly 4 to 6) to keep different food items separate.
Usage: Ideal for schools, canteens, restaurants, and camping for portion control and easy cleaning.
Size: Typical dimensions are approximately 16 inches long by 11.5 inches wide, though sizes vary.