Environmentally friendly material: The resin molds are made of silicone, which is non-toxic, flexible, wear-resistant and durable. The silicone mold can be used for DIY chocolate, resin, cabochon, candy, wax, candle, soap, etc. Heat Resistance: Silicone Cake Molds Temperature Safe from -40 to +446 (-40 to +230); easy to clean. Safe to use in the oven, freezer, microwave and dishwasher. Flexible and Non-Stick: Rigid plastic molds can sometimes crack when you try to get your crafts out, but this silicone mold is flexible, won't crack or break like that, and you can easily remove your crafts maintaining their smooth surface. Easy to use: The flexibility and the non-stick surface of the soap molds guarantee very easy release of the soap or dessert. Easy to clean and store. Enjoy Hand Soap Making: Large silicone molds are cute and practical. Unique models that will give a beautiful look to your soaps. These silicone molds can also be used to make cakes, bread, chocolate, jelly, packaged foods and more.