These are made of high-quality stainless steel, no coating, no more toxic substances in food, are rust-proof and healthy, suitable for your daily use, and far better than aluminium or Teflon non-stick trays. Moderate weight, feels sturdy in the hand, unbreakable and durable, with a long lifespan. (Preheat the tray before putting it in the oven to prevent warping, even if it is accidentally warped, it can return to its original shape after cooling).
