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