It Can be safely used in microwaves, ovens, refrigerators, and dishwashers. 【Easy To Use】 :Silicone Snowflake Molds are in non-stick surface and flexible, just pop out with pressed finger, perfect release.The Christmas Snowflake Fondant Candy Mold is easy to pop out and clean, and the mini bow silicone gummie mold is very suitable for beginners in candy making.