Pillivuyt Porcelain 4-Cup, 5-3/4-Inch Deep Classic Pleated Souffle Dish 4-cup, 5-3/4-inch-diameter pleated dish for souffls, casseroles, cold salads Straight, deep 3-inch sides encourage maximum volume and lightness in souffls Porcelain construction with thin, even walls for efficient heat conduction Safe for oven, freezer, microwave, dishwasher, broiler, and stovetop with diffuser Non-porous lead-free glaze won't stain, absorb odors or flavors