All natural, eco-friendly Cupcake Creations Baking Cups can be used with or without a muffin pan. Use as liners or as free standing cups for muffins, cupcakes and more. the papers are grease proof and peel away easily. The fun designs dress up any occasion – from a school bake sale to a bridal shower. Oven, microwave and freezer safe. Set of 32 blue baking cups.