HIC's Ribbed Custard Cup for gently baking and enjoying creamy egg custard, flan, creme caramel, and other family favorite recipes Made from fine-quality porcelain; durable; safe for freezer, microwave, oven, broiler (to 500-degrees Fahrenheit); complements any table setting Specially designed for oven and broiler; ideal for single-serving baked custard, pudding, mini cakes or muffins, cobblers, baked oatmeal, and more Works equally well single-serve baked mac and cheese and serveware for soups, oatmeal, vegetables and side dishes, dipping sauces, and more Dishwasher safe for easy cleanup PORCELAIN Item Measurement 3 3/4" x 3 3/4" x 2 1/2" .4 LB Microwave Safe Yes Dishwasher Safe Yes