Details: The Mini Bento Stainless Lunch Jar features durable stainless steel. BackOffice Lites steel construction and vacuum insulation with excellent heat retention to keep hot lunches hot and cold lunches cold. It contains a washable vacuum insulated main bowl, two side bowls, chopsticks, chopsticks holder, and easy-to-carry insulated bag. All bowls are microwaveable and the carrying bag reconfigures to half its size when the bowls are empty.