Bingobingos Silicone Easy Chocolate Mold, Hearts Chocolate Heart Mold; made from 100-percent food grade silicone Durable and versatile; can be used for cooking in a traditional oven or microwave or freezing Can go straight from the freezer to the oven Can be used in temperatures from-76 degree F to as high as 446 degree F 1-8.5 inch by 4.25 inch chocolate mold makes 15 heart shaped chocolates; made from 100-percent food safe silicone