Safety: Made of food grade silicone, the mold is soft and easy to peel off and clean, FDA approved and BPA free. Collapsible: The flexibility of the silicone allows the mold to collapse without damaging it, and it simply unwinds into its original shape. Heat Resistant: They are temperature safe between -40 and 230 degrees Celsius, they are suitable to put in the microwave, freezer and dishwasher. Easy to Clean: You can put them in the dishwasher or clean it by hand. The silicone molds are non-slip, the dough does not get stuck in the cavities. Multiple Uses: Two different silicone molds, Multiple uses, Suitable for making waffles, cakes, bread, mousse, jelly, packaging food, chocolate and so on.