About this item Safety Material: The silicone cake molds made by 100% food grade silicone. Combination Kit: 6 Pieces mini cake pans set with size: bottom diameter: 3.5 inch, opening diameter: 4 inch / 2 inch deep. Easy to Release: Due to mirror finish surface and flexible feature, the bread is easy to remove. Easy to Clean: Cleaned with warm soap water, dishwasher safe. Note: The silicone baking molds can be used at -30 °C ~ 230 °C (-20 °F ~ 450 °F), Microwave, Oven & air fryer safe.