This is a bento lunch box set from Japan, Microwavable without lids. This bento lunch box set is a Large set that includes 2 layers with 4 small bento boxes on the top layer and one large bento box for sandwich or anything you like, on the bottom layer. This bento lunch box set is a great size for picnics for kids, for men, for family, going over to friends to share lunch or a dinner, or just someone special who has a large appetite.