no microwave, no dishwasher use. Hand-wash only. Made of food safe plastic. * Stackable double lunch box with a band and a lunch bag. * Plum flower design. * After eating, you can put the upper container into the lower container to save some space. * Size: Lunch box-160x79x84mm, Bag-270x170x90mm * Holds up to 280ml in an upper container and 360ml in a lower container.