Cooks Standard Multi-Ply Clad Stainless Steel Universal Steamer Insert with Lid, Fits 6.25, 7, and 8-Inch Cookware Multi-ply clad with 18/10 stainless steel interior/exterior with an aluminum core Fits 6.25, 7, and 8-inch (16-20 cm) pots/pans and is stackable; 1/8 in. holes Stainless steel lid traps in heat/moisture; Riveted handles stay cool for carrying Can be used for steaming vegetables, meats, breads, etc.; Holds around 2 qt Dishwasher safe and oven safe to 500F. Measures: 8.5 x 8.5 x 6 inches, 3 lb