Tupperware Freezer Square Round Container Set of 6 Each 3-pc. set includes two 7/8-cup/200 mL and one 1-3/4-cup/400 mL. Use them to keep sandwich fillings, salads or leftovers fresh in the refrigerator. Gently twist the container to "pop" out frozen foods for reheating. Dishwasher Safe. Set weights less than 13 oz!