6-Piece Stackable Bowl Set: The kitchen mixing bowl set with lids comes with 3 preparation bowls (0.9QT /1.5QT /2.4QT), airtight lids for hassle-free serving, baking, and cooking preparations. Sturdy and Durable: This mixing bowl set with lids is made of BPA-free melamine, stronger than plastic and more shatterproof than ceramic. And our mixing bowl set is scratch-resistant, lightweight, etc. Easy to Clean: Our melamine mixing bowl is dishwasher safe (top rack) and easy to clean, and the mixing bowl with lid is also heat-resistant and cold-insulated but NOT MICROWAVE SAFE. You no longer have to worry about tedious scrubbing to remove stains or strange odors. Space Saving: The stackable design of this salad mixing bowl not only saves a lot of space in the kitchen but also makes it easy to organize and store.