ALUMINUM PLATING MATERIAL: It is an alloy material of aluminum and silicon, good corrosion/heat resistance. SLIDING LID DESIGN: American toast with lid, English toast with lid removed. FLAT INTERIOR: Flat inside, easy to unmold and pick up the toast. AIR HOLE DESIGN: Air holes design, even heat conduction when baking. The pullman loaf pan mold is made of aluminum plating material, not sprayed non-stick paint toast box, so generally there will be adhesion in the process of use, the box will have a non-stick effect after the internal application of butter or spray release agent. The pullman loaf pan mold is made of aluminum plating material, not sprayed non-stick paint toast box, so generally there will be adhesion in the process of use, the box will have a non-stick effect after the internal application of butter or spray release agent. Aluminum plating material is strong and durable. Than the general aluminum alloy or carbon steel (iron) durable life will be much longer. Product Information Aluminum Plating toast box Material: Aluminum Plating Features: fast heat conduction and even heating Color: Silver Use: Toast, bread making