This spring mold set includes molds of 4 in., 7 in. and 9 in., as well as 50 sheets of baking paper. The molds are made of high-quality materials, sturdy and durable, without bisphenol A, and have a non-toxic non-stick coating on the surface. They are suitable for microwave ovens, 6-quart or 8-quart pressure cookers, and can withstand a maximum temperature of 230℃. No additional butter or oil is needed during baking, which helps reduce fat intake. The non-stick coating facilitates easy removal of baked goods, and the spring lock mechanism ensures a tight and leak-proof seal, making the baking process neat and efficient, and ensuring the perfect shape of the cake. For cleaning, it is only suitable for hand washing, and requires the use of soft tools and mild cleaners. Avoid using sharp and rough tools to scratch the coating. This set is suitable for making various dishes such as cheesecakes, yogurt cakes, mousse, lasagna, etc. It is a practical tool for restaurants, baking kitchens, and home baking enthusiasts, and can also be given as a gift to friends and relatives. Color: Black. Material: Cast Iron.