Tupperware Microwave Stack Cooker 7pc Cooking Set New Nocturnal Sea Blue 3 qt. casserole, 1 3/4 qt casserole, 2 seals, cone, 3/4 qt. casserole (inverts as cover in microwave), plus colander Nocturnal Seal Dark Blue STACKS INSIDE EACH OTHER FOR COOKING OR STORING Microwave, fridge, freezer safe