2.5 mm Thick Hawkins Tri-Ply Stainless Steel - Food-grade, hygienic, spreads heat evenly | Unique 2-in-1 Elliptical Rim - Broad to safely grip, pour & carry hot food and narrow for Ezee-pour and Ezee-grip with tongs | Cook and serve - One dish to cook, serve, store and clean! Food stays hot longer | Stackable, space-saver design - Fit into each other - frees up space in Modern Kitchens.