I bought it and was satisfied... Retail price: 1800 yen It can be used not only for chocolate, but also for making butter, caramel, cheese, canapés, etc. Spread soft butter, etc., into the mold, put it in the freezer until it hardens, and then push it out of the mold to remove it. It cannot be used in a microwave or a conventional oven. Heat resistance: Minimum temperature -25°C Maximum temperature 80°C to 90°C