This professional quality cookware set was designed for years of culinary use. It is made of heavy gauge stainless steel for durability and features an impact bonded tri-ply base for quick even heating. Encapsulated aluminum disc base for even heating and superior performance. Beautiful mirror polished stainless steel construction. Tempered glass lids for easy monitoring of food while cooking. Stainless steel cast handles are double riveted for added strength and durability. Strainer covers on saucepans eliminate the need for a separate colander. Interior capacity markings are laser etched in saucepans and stockpots for ease in measuring ingredients. Oven safe and great for baking. Dishwasher safe (hand wash recommended).