This item is a 4-piece insulated stainless steel lunch box set with a thermal bag.
Features: Stackable containers with a leakproof, airtight design and a built-in handle.
Material: Food-grade 304 stainless steel interior with a polypropylene (PP) outer shell.
Capacity: Typically includes a combination of container sizes, such as 420ml and 550ml, totaling approximately 2080ml.
Functionality: Designed to keep food hot for roughly 1-2 hours or cold for salads and snacks.