Stainless Steel Multi-Cook Steamer - 3-Tier Design with Reflux Steaming Grids, 8QT Bottom Pot, 98847665High quality Materials: This steamer is made of high grade stainless steel, which allows it to transfer heat with ease. Moreover, the middle of the lid is made of tempered glass, making the steamer more heat resistant and allowing you to cook with more confidence. Large Use Space and Arched Lid Design: The bottom layer had the capacity of up to 8qt and the other 2 layers have the capacity of 3. 6QT, which allows you to cook more ingredients at once.