For perfect fairy cakes and fluffy muffins this Circulon Ultimum 12 cup muffin tin is constructed from carbon steel and features the patented Ultra TOTAL non-stick utensil safe scratch resistant surface ensuring your cooking will not stick. The perfect heat distribution not only ensures even cooking but also means that prepared food can be cooked straight from frozen. Cleaning up is easy with this non-stick muffin tin as it is totally dishwasher safe. Complete with a lifetime guarantee this muffin tin should be an essential piece in your bakeware collection.