【Premium Heat Distribution】Silicone-coated thickened iron core ensures even heat distribution and high temperature resistance (up to 230°C), preventing warping and edge curling during baking. 【Easy Release Design】Food-grade silicone interior allows for effortless release of baked goods without residue, while the built-in steel ring maintains shape integrity when handling. 【Versatile 6-Cavity Mold】Independent rectangular compartments enable simultaneous baking of multiple small cakes or breads, saving time and ensuring uniform results. 【Multi-Purpose Usage】Suitable for baking, freezing, portioning, and storing various foods including cakes, puddings, ice cubes, or meal prep items. 【Convenient Cleaning】Dishwasher safe and easy to clean with a simple rinse, promoting hygienic reuse and hassle-free maintenance. 【Space-Saving Storage】Stackable design allows for efficient storage, maximizing kitchen space utilization. Specifications: Material: Food-grade silicone with iron core Overall Dimensions: 8.94 x 8.58 x 1.22 inches Individual Cavity Size: 3.72 x 2.43 inches Weight: 216g Capacity: Approximately 1 cup of batter per cavity Temperature Resistance: Up to 230°C (446°F) Structure: 6 independent square cavities with metal support frame Compatibility: Suitable for ovens, refrigerators, and potentially microwaves (verify microwave safety) Certifications: FDA approved