This versatile collection of pots and pans includes all the elements for great cooking and is crafted from super-tough, hard-anodized aluminum that's twice as hard as stainless steel and boasts the TOTAL Nonstick System of raised circles and triple layer, premium quality nonstick. Shatter resistant, tempered glass lids seal in heat and moisture and the straining saucepan lids feature a built-in colander for easy draining and straining of cooking liquids. Oven safe to 400° F with premium nonstick inside and out for superior food release and super-easy cleanup of even the stickiest recipe.