Reliable Quality: Made from 100% premium silicone that is BPA-free and eco-friendly. Reusable, flexible and non-stick.^ SAFE TO USE: These molds are oven, microwave, freezer and dishwasher safe. Temperature safe from -104 to +446 degrees Fahrenheit (-40 to +230 degrees Celsius).^ Easy to Release: The silicone is durable and non-stick, so works well with soap and other crafts. Won't crack or break like hard plastic molds. You can easily take out the cupcakes or soap. Easy to remove and easy to clean.^ VERSATILE APPLICATION: Great tools to make handmade soap, cupcake, jelly, pastry, dessert, chocolate, ice cream, etc. It can also be used as a cake mold, cake pan, chocolate mold, bread mold, ice cube mold, candy mold, etc.