The 1/2" EASYGRIP rim makes these ideal for cakes, brownies, pastries and bar-type cookies. The anodized aluminum is non-reactive to tomato sauce and citrus ingredients, so these pans are perfect for casseroles, lasagnas, and roasts, too. Anodized for safety and performance, they will never chip, rust, flake or peel into your food. Seamless SQUAREBAKE corners with perfectly straight sides. Temperature rated to 550° F Hand wash recommended.