OmieBox is the first leakproof bento box for kids that stores hot and cold food together, so parents can pack healthy school lunches. This unique bento box with thermos can keep lunch warm for up to four hours. The thermos bowl is made of 18/8 stainless steel and vacuum insulated to offer powerful thermal insulation. The unique wide mouth design is perfect for hot lunch. The bento thermos for kids is also shallow and easy to open, so kids can be independent. OmieBox also has three divided bento compartments that are double walled, thermal insulated, and leakproof.