The baking pan (4 pans + 4 racks) is made of 100% high-quality stainless steel without any toxic chemical coating. Don’t worry about the negative effects of aluminium, it’s a great alternative to aluminium pans. Rust-resistant and durable material is perfect for everyday use. Mirror-polished design, easy to release food, dishwasher safe, deep rim helps hold more oil or juice instead of running out, no rim design leaves residue