Material:-SiliconeHeat and Cold resistance - Withstands -60 °C TO 260 °CEasy to use just pour the melted chocolate and fridge it. Remove Easily without break in shapeNo particular smell, soft, flexible, waterproof, easy to de mould, fadeless and easy to clean, eco-friendly and nontoxic. Safe for use in freezer and oven, Heat & Cold Resistance. Microwave safe, OTG safe, long term and durable material. Ideal For Excess UsageThese silicone moulds are perfect for making chocolates, crayons, candles, hard candy, fondant, jelly, frozen yogurt treats, ice cubes with fruit juice, cake decorations, etc