6 Cavities Heart Silicone Cake Mold with 12-pack Reusable Silicone Baking Cups / Cupcake Liners. 6 Cavities Heart Silicone Cake Mold Set of 12 Reusable Silicone Baking Cups / Cupcake Liners; Nonstick, flexible and easy to clean, unbreakable easy to keep shape, convenient to store. Safe for dishwasher, microwave, oven, freezer. 100% Silicone; 100% BPA Free; Certificate FDA in the material Temperature range: -40~+230 centigrade.