Fat Daddio's Professional Baking Set - 7 Pieces Annodized aluminum bakeware is low maintenance Professional abrasion resistant pans that won't peel chip flake or chalk Get all the benefits of baking with aluminum with superior performance of anodizing Non-reactive 16 gauge anodized aluminum; No extra metals or chemical coatings and safe for citrus based foods This set are heats faster and cools quicker, dishwasher safe and lifetime warranty