These muffin cups are made of thick, food-grade aluminum foil, which allows the cups to stand firmly. Simply place them in the oven and bake directly without needing a baking sheet. These foil baking cups are made of high-quality aluminum foil material, featuring a smooth surface, reliable quality, resistance to deformation, ease of use, and high-temperature tolerance; these aluminum cups can be placed directly in the oven and microwave without using a baking sheet. These dessert cups with lids can be used both indoors and outdoors; you can use them to make muffins, puddings, and other foods; the included lids make it easy for you to carry muffins, so you can enjoy your own delicious food even when you are out. Avoid scrubbing residue off baking sheets, save a lot of cleaning time, and just enjoy your baking time. We suggest placing these ramekin pudding cups in a large and sturdy bag when lifting and transporting them. Also, please clean these baking cups before using them. Size: Top diameter: 85 mm, Bottom diameter: 65 mm, Height: 36 mm. Material: Aluminum foil. Color: Gold. Package contents: 100 x Dessert bowls. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.