Perfect Results, 17-1/4" x 11-1/2", Large, Premium, Non-Stick, Cookie Pan, Noticeably Heavier, Will Heat Evenly For Years, Non-Stick Surface Has Reinforced Coating That Provides Quick Release & Easy Clean Up, Convenient Handles Are Designed For Easy Handling In & Out Of The Oven, Even While Wearing Oven Mitts, Heavy Gauge Construction Spreads Heat Evenly & Prevents Warping, Embossed Pan Dimensions Are Permanently Stamped On Handles For Quick, Easy Reference When Following Your Recipes, 10 Year Warranty.