Temperature from -40 to +446 degrees Fahrenheit.Suitable for ovens, dishwashers, refrigerators, and microwave ovens. The non-sticky silicone mold is easy to off, it is best to apply a little butter or oil before making. Made from food grade silicone. Silicone mold is not only a cake decoration tool, but also suitable for hard candy, soft candy, jelly, soap, muffin, chocolate, wax, ice, epoxy resin and various types of molded clay. Note:this mold may be not as large as your imagine,please pay attention to the size info before you make purchase.