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While aluminum foil is not traditionally used to make bento boxes, it can be used in a pinch for a makeshift container. However, it's not ideal due to its lack of rigidity and potential for leaks. Bento boxes are typically made from materials like plastic, stainless steel, or bamboo for better durability and food safety. Aluminum foil is more commonly used for wrapping food to keep it fresh or for cooking purposes. For a proper bento box, it's best to use containers designed for that purpose.
