This is a set of Sumikko Gurashi nesting lunch boxes. Both sets contain 3 pieces. Microwave safe with the lid removed. Please only purchase if you understand that there may be damage to the packaging as these were purchased in-store. They will be shipped in a Yu-Packet Plus box with simple packaging. Top: Seal containers Capacity: L 400ml, M 280ml, S 180ml Nesting design for compact storage. Bottom: Nesting "Fuwatto" lunch boxes [Product Size (approx.)] L: Capacity 540ml, Size 151×105×54mm M: Capacity 350ml, Size 140×93×47mm S: Capacity 230ml, Size 128×83×38mm [Quality Information (Heat Resistance)] Lid: EVA resin (Heat resistance -20 to 60 degrees Celsius) Body: Polypropylene (Heat resistance -20 to 140 degrees Celsius)