The mold is made of food grade silica gel material. It is nontoxic and odorless. It is temperature resistant from - 40 ℃ to 230 ℃. It has strong flexibility, good bending and is not easy to deform. Even if it is extruded, it can quickly restore the original shape. It is not stained with the mold and easy to clean. It is suitable for making round bread, cake and pizza. It is suitable for oven, microwave oven, refrigerator and dishwasher.