Bialetti Italian Ultimate 13-Piece Cookware Set 10-, 12-inch saute; 1-, 2-1/2-, 3-1/2-, 8-quart lidded sauce pans; 12-inch lidded everyday pan; steamer insert Professional gauge aluminum construction for excellent heat conductivity Durable nonstick interior is safe for metal utensils Ergonomic riveted silicone handles; set works on gas, electric, glass and ceramic top stoves Oven safe to 400 degrees F; dishwasher safe, though handwashing recommended; limited lifetime warranty