Professional Quality Round Cake Pan Anodized Aluminum, Non-Reactive Surface, Prevents Discoloration and Protects Flavor of Your Baked Indulgences Free From Extra Metals, Welds, and Chemical Coatings Designed for Superior Heat Distribution Seamless, Even-Wall Construction for Consistent Baking Results Smooth Straight-Sided Edges and Rolled Rims To Clean: Hand Wash with Warm Soapy Water and Dry Completely Note: When Cleaning, Do Not Use Metal Scour Pads or Abrasive Cleaners