It is a thermal lunch box designed to keep food hot or cold for hours.
The product is made of food-grade stainless steel (SUS304/316) for durability and health safety.
Features may include a double-deck vacuum cover, a leak-proof lid, and an ergonomic handle with a rubber cushion.
Capacities can range from 1.5L to 2.8L, often featuring separate compartments and a spoon.