yueton Lace Butterfly Silicone Embossing Mold Sugar Craft Fondant Mat Cake Decorating Baking DIY Made of high quality food grade silicone---soft, reusable and healthy. Safe to use in ovens, microwave ovens and freezer. Temperature range from -40 to 230 Wide-Range In Application.That kind mold product can use in make CAKE, COOKIES, CHOCOLATE and any other DIY product. Hand wash only!