SIAA (Antimicrobial Product Technology Council) certified mark acquired Silver ion AG+ antibacterial lunch box Lunch box with a dome-shaped lid that allows you to pile up side dishes fluffy Ingredients are not pressed by the lid Keeps the fluffy feeling and deliciousness as it is when piled up Lunch box with high partitions that make it difficult for side dishes to shift The lid has a secure 4-point lock to firmly secure it The lid has a leak-resistant packing Dishwasher safe, microwave safe with the lid removed Silver ion antibacterial treatment Specifications Size: Width 18.6 x Depth 10.8 x Height 6.2cm Material/Material: Lid = AS resin, Body/Stopper/Divider = Polypropylene, Packing = Silicone resin Capacity: 530ml Country of origin: Japan SIAA (Antimicrobial Product Technology Council) certified mark acquired JP0122581X0007H Type of antibacterial agent: Inorganic antibacterial agent Processing method: Kneaded in Processing part: Overall Condition of the product Used by a child several times. There are small scratches and scuffs, but I think it can still be used Especially the outside has scratches Please refrain from purchasing if you are nervous as it is not new Also, please understand that this is a child's used item.