These diamond hearts are one of the biggest and sweetest baking trends of the last few years! With this silicone mold they're easily done. The advantage of silicone compared to more traditional molds: You can remove the hardened chocolate without breaking any of the shapes. Additionally, the mold can withstand the heat of microwaves, ovens, dishwashers as well as the cold of freezers! (-40°C up to 220°C).