These trays,made of 304 stainless steel, coated with teflon, can avoid being sticked while drying food or baking bread. The raw materials of mesh trays are approved by RoHS and REACH. The teflon coating has passed FDA and ROHS,which make the non-stick mesh trays food-grade,and safety.The teflon coating trays are widely used in food drying machine, drying oven,bakery oven,bread baking oven and food freeze machine. While drying, baking or freezing, food like fruit,vegetable,meat,seafood, will stick onto trays. Therefore, the teflon tray can solve the issue. Also for freezing food, the stainless steel mesh tray is coated teflon,which can deeply and quickly freeze to guarantee the freshness and nutrition.For drying food, the non-stick mesh tray enlarge the drying surface of food,which can solve the issue by common bakery pan. For baking bread, the mesh tray coated teflon can efficiently bake bread.