INOMATA Square Bento Lunch Box Food Storage, Removable 4 Compartments, Pink This inside container of this bento box set is microwave safe; Outer container and lid is not microwave safe Not recommended for liquid items as it is not air tight Overall size - 6 x 6 x 2.50 Inch This bento lunch box comes with 4 individual containers which can be removed The inside containers can be removed and make 3 sections or 2 sections depending on your need