Set of 12 Cookie Baking Sheet Pans Commercial, Restaurant Quality Jelly Roll Pans 18-Gauge Natural Aluminum with Shiny Finish Designed for Superior Heat Distribution Rimmed Rolled Edges with Galvanized Steel Embedded Wire Reinforces Sheet Pans Strength Suitable for Oven Temperatures Up To 500 Degrees Fahrenheit To Clean: Hand Wash with Warm Soapy Water and Dry Completely Note: When Cleaning, Do Not Use Metal Scour Pads or Abrasive Cleaners Note: Do Not Use Sharp Utensils When Baking or Cleaning Sizes Available: 9' x 13' (Quarter Sheet), 13' x 18' (Half Sheet), 15' x 21' (Three-Quarter Sheet)