Our 10-piece tri-ply stainless steel cookware set combines the best properties of stainless steel and aluminum. The aluminum core heats up quickly and evenly while the stainless steel adds durability and versatility. aluminum core extends up the sides of the pans for quick temperature change response and even heating tempered glass lids are vented and allow you to watch the food without disturbing the cooking process handles are double-riveted for durability oven safe to 445oF; lids oven safe to 350oF 10-piece set includes: 1-quart saucepan with lid 2-quart saucepan with lid 5-quart stock pot with lid 10 skillet 3 tools slotted turner, pasta server, spoon Steel and aluminum with tempered glass lids. Dishwasher safe. Imported.