18/0 STEEL: Safe and non-toxic, no harmful chemicals are released, and it is a good alternative to aluminum shells. Solid structure, not easy to warp or break. WEIGHT: Robust construction, feels really heavy and solid in the hands. Reinforced steel edge with rolled edges for extra strength and to prevent deformation of the furnace sheet. SPRING MACHINE STRENGTH: The stainless steel cake tray is dishwasher safe for quick and easy cleaning. Pleasant smooth mirror surface is free of rough spots and leaves no stains on the sheet. DIMENSIONS: QUALITY 2-pack MATERIAL 18/0 stainless steel MANCRAFTSHIP SPRING MACHINE SAFETY INSTRUCTIONS FOR USE: Please preheat the baking pan and wait for it to warm up before placing the food in it. Please put some oil on it or use parchment paper so that the food does not stick. Clean the mold with a soft tea towel and do not rub it with sharp metal.