These baking cups have safe ingredients and good quality, which are different from ordinary cake cups. A variety of color combinations can meet your needs in any scene. It's a must-have cake cup! Oven safe The maximum temperature is 420°F No Baking tray needed These muffin cups are made of premium quality aluminum foil that makes these strong and sturdy. Put them into the oven and bake them directly. Microwave Inapplicable Can't be used in themicrowave as metal material easy to catch fire. Friendly Material Anti-stick and oil-proof, flavorless, clean and riendly, disposable and fashionable workship.