French 4-Piece Non-stick Skillet Set with Lids Heavy-duty hard-anodized aluminum construction provides the efficient and even heat distribution that premium-quality cooking results demand. Premium-quality triple-layer nonstick interiors are metal utensil safe, delivering beautiful food release with effortless cleanup. Oven safe to 400&amp;deg;F, the shatter-resistant glass lids seals in heat and moisture; stainless steel lid and pan handles are dual riveted for added strength and rubberized for comfort.