1-ply construction provides outstanding heat retention and distribution Ergonomically shaped handles stay cool Dishwasher and oven safe Lifetime warranty against manufacturing defectsViking Cookware's 1-ply construction Lid provides exactly what you want in a great pan ? extremely even heat distribution and retention. These attributes prevent hot spots and allow you to cook your food faster, more evenly and create a great fond layer (those little stuck-on caramelized bits of meat and vegetables left in the pan when something is seared) for more delicious and deeper tasting pan sauces. Viking cookware has a beautiful brushed steel finish that is very easy to clean.