The box for all occasions. Whether for a small snack on the go or as a sturdy storage container for school or office, the Sigg aluminum cans are practical and versatile. The classic Sigg Food Box is equipped with several excellent features all around. For example, it has a dishwasher- and microwave-safe insert, as well as a divider made of polypropylene. Additionally, the already well-designed locking system has been further refined by Sigg.