Gotham Steel 5 Piece Complete Copper Nonstick Bakeware Set with Durable Ceramic Coating, Heavy Duty 0.8MM Gauge Dishwasher Safe, Includes XL Cookie Sheet, Muffin, Loaf Pan & Round Baking TrayHeavy duty gauge 0. 8MM thick wont warp and heats evenly so your cookies and cakes come out of the oven perfectly and evenly browned Ultra nonstick titanium and ceramic coating ensures the ultimate release everything just slides right off the surface, no need for baking sheets, oil or butter Dishwasher safe makes for a seamless cleaning experience Ultra durable, scratch proof & metal utensil safe Lightweight design makes for a comfortable cooking