Stable: The cake ring is attached with a screw that makes the cake pan stable in any size (16-30cm diameter). No Leakage: Due to the unique structure, there is no gap on the bottom of our cake pan and the dough does not escape.When baking, simply place the baking paper under the cake ring. Thickened 304 stainless steel: The baking ring is made of thickened 304 food stainless steel (mounting screws are also), heat-resistant, acid-resistant, rust-proof, stable, not easy to deform, suitable for baking Easy to clean: The cake ring is fully open and removable, can be washed with a dishwasher, can be easily washed by hand or placed in the dishwasher As a gift: The inner scale shows the exact height and diameter (in centimeters and inches) of the set sizes.The toast is beautifully packaged and will not be deformed or damaged during transportation, ideal for gifts