this new rubbermaid lunchblox containers will stay organized in lunch bags, in minimum space. along with this, it will simplify the annoying activity of packing lunch. these boxes are designed for the most common lunch box food items such as, salads, sandwiches, left over entrees, and snacks, such as fruit, nuts, and chips. once the lunchblox is packed, it will stay organized, and all the containers will stick together in most of the configurations. it allows them to fit tidily in any lunch box or bag.