With a best in class 0. 8MM thick gauge, coated 3x with our ultra-durable metal utensil safe & super-nonstick coating, Granite Stone Pro Bakeware won’t warp or scratch, and heats evenly edge to edge so your muffins come out of the oven perfectly and evenly browned.,With a best in class 0. 8MM thick gauge, coated 3x with our ultra-durable metal utensil safe &