Material: 100% consumption level of silicone gel.Conformed by American FDA, innoxious, no peculiar smell, soft, waterproof, easy to demould, fadeless and easy to clean, durable for long time use.Temperature range:-40-440 Degrees FahrenheitKeep it's soft texture and original shape after freezing and baking.Perfect for making cakes, pizza, bread, mousse, jelly, chocolate, pudding,fruit pies and ice cube. Suitable for microwave oven, toaster and refrigerator.