Safe and durable:The Silicone Bricks Molds are made by 100% Food-grade silicone. Safe to use in oven, microwave, freezer, fridge, dishwasher. Can withstand temperatures from -40Cto +230C, (-40F to +446F). Convenient and widely use: Silicone Bricks Robot Chocolate Molds are made by soft,non-stick silicone, easy to be popped out and wash. Can use with a wide range of edible materials to get candy and chocolate to decorate your cakes,cupcakes, bread, mousse.You also can get handcraft by resin. Wide range of applications: Silicone heart-shaped molds and alphanumeric molds are very suitable for jelly, muffins, fudge, syrup, melted chocolate, cheesecake, wax, ice, soap, resin, baking, popcorn and all types of molds Clay is also great for making juice These heart-shaped molds can be safely used in ovens, microwaves, dishwashers and refrigerators. Package contains: Come as set with 6 pieces of silicone molds. Size: please check pictures for details. Reminder: Do not touch the mold directly near an open flame or heat source (such as the heating tube of an oven). It is recommended to use tubular heating elements to place the mold at least 5 cm in the middle or upper part of the oven during the baking process.