European design and style. Ergonomically designed, distinctive natural wood handle (Ash). Will not warp. Heats evenly and quickly. Cooking surface is finished with a triple layer and exterior with a double layer of Dupont "Autograph 2 Gourmet Non-Stick". Pyrex high-dome lids. Vacuum cast aluminum body is energy efficient. Pans are made from superior vacuum-pressure cast aluminum and guaranteed never to warp. The 3 layer interior along with the 2 layer exterior protects your food from sticking and burning.