【Safety】 Made of high quality 100% food grade silicone. 【Widely Used】 Suitable for making cake, bread, mousse, jelly, prepared food, chocolate, ice cube etc. Ideal gift for baking lovers. 【Heat Resistant】 Safe at the temperature between -40 to 230 Degrees Celsius. They are suitable to put in microwave, freezer and dishwasher. 【Foldable】The flexibility of silicone allows the pan to be folded without damage, and it simply unfolds back to its initial shape. 【Easy To Clean】The silicone trays are non-stick, dough-type won't get stuck in the cavities, and even if they will, you could use some warm water to clean easily. You could put them into dishwasher or use hand-washing to clean.