Fat Daddio's Silicone Moulds are ideal for baking mousse, brownies, muffins, cupcakes, chocolate, ice cream, gelatin, ice sculptures, bath bombs, craft applications and more. Sealed with a high-temperature process which creates a natural non-stick surface. Little or no greasing necessary. Withstands freezing temperatures and extreme heat. Do not use directly on oven rack to prevent discoloration. Easy-to-clean — simply wipe down using hot water and dish soap, shake off excess water and hang or lay flat on an even surface to dry. Created to last through daily use in both the home kitchen and commercial establishments. Dishwasher safe, hand wash recommended.