The 6-piece Triple Cookware Set is an integrated microwave cooking system that consists of 3 separate dishes, a steam rack and two lids (flat and high lids). They can be used individually, 2 at a time or all together. Dishwasher safe. Temperature resistant from -4°F to 284°F. Microwave use only. Includes 3 separate dishes, steam rack, and flat and high lids. Can be used individually, in pairs, or all together for flexible cooking options. Dishwasher safe for easy cleanup. Temperature resistant from -4°F to 284°F for versatile cooking tasks. Microwave and Dishwasher Safe