Features: One set: Composed of 4 cake pans, including 4inch, 7inch, 9inch, and 10inch. High-quality material: Made from heavy-weight carbon steel for superior heat conduction, rust-resistant, sturdy and durable. Non-sticky coating: The non-stick coating, non-toxic and BPA-free, provides quick and easy release of all baked goods and is easy to clean up. Evenly heated: The raised bottom is designed to prevent the cake from being scorched partially. Spring latch design: Just release the latch to remove the bottom easily. Your cake will come out perfectly. Any problems, feel free to contact us. Honor to serve you!