... pure silicone, suitable for cooking, baking, refrigerating, freezing and thawing, SILICONFLEX Large Heart molds are ideal for the preparation ... of sweet and salty biscuits, cookies, cakes, pies, chocolate Very easy ... surface makes release and clean-up a breeze! Resists stains and odors and is refrigerator, freezer, oven, microwave and dishwasher safe. Oven ...