Material: Made of food grade grade organic silicon, ocean silicone mold food grade organic silicon is selected, environmental friendly and safe to use. Sea Shape: Silicone Sea Life Shape Baking Fondant Cake Docarating Tool. Durable and Safe: Silicone mold keep in freezers, ovens, microwave ovens and dishwashers that are durable, safe, and non-sticky, and easy to release from molds. Sturdy and Flexible Silicone: The new food grade silicone material in line with the US FDA quality, without BPA, non-toxic environmental protection, temperature -40 to +230 . Safe for use in the Oven, dishwasher, refrigerator and microwave. DIY Handmade Baking Tools is so versatile, the list for types of materials that can be used to create the moulds, is endless, such as gum-paste, jelly, muffin, fondant, sugarpaste, melted chocolate, wax, ice, soap, epoxy resin, and all types of moulding clays.