From All-Clad, this lasagna pan features: Beautifully polished magnetic stainless steel exterior layer Pure aluminum core that covers the bottom of the pan and extends up the sides, allowing for great heat conductivity and even heat distribution for the elimination of hot spots Stainless steel interior layer/cooking surface Long polished stay-cool stainless steel handles secured with sturdy, non-corrosive rivets Compatible with induction, gas, and electric stovetops Dishwasher safe Approx. 15" x 12.5" x 3.5" pan; 2" x 3.5" handles Backed by All Clad's Limited Lifetime Warranty Imported.