California Kitchenware Butterfield Silicone Cupcake Molds White (Set of 12) Set of 12 baking cups measuring 2"x3"x1.5" in white No muffin pan necessary; place directly on cookie sheet when baking cake, breakfast muffins, etc. Freezer, microwave, oven safe (up to 500 degrees F) top rack dishwasher safe or hand wash Non-stick food-grade silicone is fun for kids but uncompromising in performance Premium packaging makes a great gift