Enjoy perfectly baked, extra tall cakes loose bottom cake tin bpa and ptfe free double non stick coating electroplated and sandblasted for durability, won't warp, corrode or flake 20 year guarantee and 5 year non stick guarantee enjoy perfectly baked, extra tall cakes with the master class non stick deep loose base cake pan square'. '.strtoupper('i')ts loose bottom design ensures easy cake removal without compromising its shape'. '.strtoupper('t')he bpa and ptfe free double non stick coating guarantees effortless food release and quick cleanup'. '.strtoupper('e')lectroplated and sandblasted for durability, this pan won't warp, corrode, or flake'. '.strtoupper('w')ith a 20 year guarantee and a 5 year non stick guarantee, this pan is a reliable companion in your baking adventures.