1.Highquality material: oven tray is made of highquality stainless steel without chemical coating, no harmful substances get into the food, rust and corrosion resistant, no fear of the negative effects of aluminium, for a ier baking experience 2.Heavy duty: solid construction with reasonable weight for a comfortable grip, thick material ensures robustness and is not easy to break even after heavy use, durable for the next few years, flat base distributes heat evenly for consistent perfection in your baked goods 3.EXCELLENT CRAFTSMANSHIP: smooth rolled edges without rough spots for easy holding and transferring without hurting your hands, seamless onepiece design not easy to catch food, 1 inch deep full sides to prevent the food juice from flowing somewhere to keep your oven clean 4.Easy to clean: smooth, highly polished surface for effortless food removal, line with baking paper or grease the sides so that they stick less, cleaning is breeze, even hand wash, dishwasher