Food grade stainless steel: Rectangular cake pan is built well from high-quality stainless steel. No worry about any harmful coatings that will leach into your food. Far superior to aluminium tins. Healthy for your daily baking roasting use. High hardness materials are designed for even-heating performance and help fight wear and tear. Decent weight and feel solid when holding in hands. Rust-resistant and anti-deformation. Durable use and long service life.