15-Piece Hard-Anodized Aluminum ~ Cookware Set Durable nonstick interior for flawless release and convenient cleanup Strong, double-rivet ergonomic cast stainless steel handles stay cool on the cooktop Tempered glass lids with stainless steel rim and cast stainless steel handles Ideal for gas, electric, halogen and ceramic cooktops - Oven-safe to 500F/204C Use wood, plastic or nylon tools to avoid scratching the nonstick surface - Advanced titanium-composite