Is item is a insulated stainless steel lunch box, often referred to as a food warmer or hotpot. It features a double-walled design with thermal insulation to maintain food temperature. The set typically comes in various sizes, such as 1.5kg, 3kg, and 4kg, or 2.5L, 5L, and 8L capacities. It includes a secure locking system and airtight seal to prevent spills.