The ECOlunchbox Solo Rectangle has the largest single-compartment of all our stainless steel food containers. This 100% steel lunchbox is a durable piece of hardware designed for longtime use at lunchtime as well as in the great outdoors for camping, boating and other on-the-go activities. Container measures 4 3/4 in. wide x 6 3/4 in. long x 2 in. deep. Dishwasher Safe. Not for use in the microwave, however foods may be reheated in the container in a medium-hot oven. Made in India.