The choice of experts within the comfort of your home. Our never-rusting Commercial Grade Natural Aluminum cookie sheet is engineered for supreme heat conductivity and even heat distribution, ensuring anything you bake comes out perfect – inside and out. With a thickness of 0.8mm, you’ll never worry about warping again. It’s coating free, which means no peeling, no chemicals, and dishwasher safe. Plus, they come with a 10 year warranty just to sweeten the deal.