Flexible, non-stick silicone molds for chocolates. Polished interior. Can be used for refrigeration or cooking with oven or microwave. Temperature range for use: -60 degrees C (-76 F) to +230 degrees C (+446 F). Molds can be transferred directly from freezer to oven or microwave. Can be used up to 3000 times. Non-toxic. Washable using hot water or dishwasher.