What kind of material is this charlotte cake pan made from? This novelty cake tin is made from carbon steel. With a non-stick surface, which is non-toxic and free from PFOAs and PTFEs. What makes this Charlotte tin special? Designed to be resist warping with its extra thick steel, it also has rolled edges which help sustain its rigidity and durability. It also has silicone handles for heat resistance. Making baking a stress free experience from start to finish. What is the cup size of each charlotte cake cup? The cups are 9cm wide and 5cm deep. Is this cake tin dishwasher safe? Yes, this Charlotte Russe pan is dishwasher safe and with its non-stick surface, cleaning is a breeze.