Safe Food Grade Silicone The skull cake mold is made of 100% food grade silicone, BPA free and eco-friendly. Microwave, oven, freezer, and dishwasher safe. It is safe in temperatures from -40°F to 446° F. EASY TO USE AND RELEASE Simply pour your favorite ingredients into the skull mold and let the ingredients sit until fully formed. Meanwhile, the durable silicone lets you get crisp detail every time you bake. It has good elasticity and smooth surface, and it can be demoulded with a slight push. Versatile You can use this amazing mold to make your own special mousse cakes, breads, breads, muffins, puddings and more. Besides Halloween Feast , you can also make a special skeleton birthday cake for your friends, super surprise Hurry up and have a delicious skeleton meal with your friends Skull Mold Dimensions Full Size: 11.6 x 10.4 x 2 inches, Skull Size: 4.4 x 3 x 1.9 inches.